Home / 156,210.29-234,127.60-71,854.19

Finding the Fourth Proportional to 156,210.29, 234,127.60 and 71,854.19

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Solution

The fourth proportional to 156,210.29, 234,127.60 and 71,854.19 is: 107,694.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,210.29 : 234,127.60 = 71,854.19 : x
  2. Step 2: Convert to fraction form
    156,210.29/234,127.60 = 71,854.19/x
  3. Step 3: Cross multiply
    156,210.29x = 234,127.60 × 71,854.19
  4. Step 4: Simplify right side
    156,210.29x = 16,823,048,582.35
  5. Step 5: Solve for x
    x = 16,823,048,582.35/156,210.29
  6. Step 6: Final answer
    x = 107,694.88

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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.