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Finding the Fourth Proportional to 160,001.60, 239,810.40 and 66,459.20

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Solution

The fourth proportional to 160,001.60, 239,810.40 and 66,459.20 is: 99,609.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,001.60 : 239,810.40 = 66,459.20 : x
  2. Step 2: Convert to fraction form
    160,001.60/239,810.40 = 66,459.20/x
  3. Step 3: Cross multiply
    160,001.60x = 239,810.40 × 66,459.20
  4. Step 4: Simplify right side
    160,001.60x = 15,937,607,335.68
  5. Step 5: Solve for x
    x = 15,937,607,335.68/160,001.60
  6. Step 6: Final answer
    x = 99,609.05

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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.