Home / 159,001.91-219,436.10-108,127.50

Finding the Fourth Proportional to 159,001.91, 219,436.10 and 108,127.50

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Solution

The fourth proportional to 159,001.91, 219,436.10 and 108,127.50 is: 149,225.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,001.91 : 219,436.10 = 108,127.50 : x
  2. Step 2: Convert to fraction form
    159,001.91/219,436.10 = 108,127.50/x
  3. Step 3: Cross multiply
    159,001.91x = 219,436.10 × 108,127.50
  4. Step 4: Simplify right side
    159,001.91x = 23,727,076,902.75
  5. Step 5: Solve for x
    x = 23,727,076,902.75/159,001.91
  6. Step 6: Final answer
    x = 149,225.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.