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Finding the Fourth Proportional to 170,809.10, 256,252.05 and 100,652.30

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Solution

The fourth proportional to 170,809.10, 256,252.05 and 100,652.30 is: 151,001.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,809.10 : 256,252.05 = 100,652.30 : x
  2. Step 2: Convert to fraction form
    170,809.10/256,252.05 = 100,652.30/x
  3. Step 3: Cross multiply
    170,809.10x = 256,252.05 × 100,652.30
  4. Step 4: Simplify right side
    170,809.10x = 25,792,358,212.22
  5. Step 5: Solve for x
    x = 25,792,358,212.22/170,809.10
  6. Step 6: Final answer
    x = 151,001.08

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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.