Home / 170,802.20-256,227.60-52,455.80

Finding the Fourth Proportional to 170,802.20, 256,227.60 and 52,455.80

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Solution

The fourth proportional to 170,802.20, 256,227.60 and 52,455.80 is: 78,691.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,802.20 : 256,227.60 = 52,455.80 : x
  2. Step 2: Convert to fraction form
    170,802.20/256,227.60 = 52,455.80/x
  3. Step 3: Cross multiply
    170,802.20x = 256,227.60 × 52,455.80
  4. Step 4: Simplify right side
    170,802.20x = 13,440,623,740.08
  5. Step 5: Solve for x
    x = 13,440,623,740.08/170,802.20
  6. Step 6: Final answer
    x = 78,691.16

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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.