Home / 170,809.90-256,214.85-133,485.10

Finding the Fourth Proportional to 170,809.90, 256,214.85 and 133,485.10

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Solution

The fourth proportional to 170,809.90, 256,214.85 and 133,485.10 is: 200,227.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,809.90 : 256,214.85 = 133,485.10 : x
  2. Step 2: Convert to fraction form
    170,809.90/256,214.85 = 133,485.10/x
  3. Step 3: Cross multiply
    170,809.90x = 256,214.85 × 133,485.10
  4. Step 4: Simplify right side
    170,809.90x = 34,200,864,873.74
  5. Step 5: Solve for x
    x = 34,200,864,873.74/170,809.90
  6. Step 6: Final answer
    x = 200,227.65

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.