Home / 144,981.59-217,471.98-39,800.66

Finding the Fourth Proportional to 144,981.59, 217,471.98 and 39,800.66

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Solution

The fourth proportional to 144,981.59, 217,471.98 and 39,800.66 is: 59,700.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,981.59 : 217,471.98 = 39,800.66 : x
  2. Step 2: Convert to fraction form
    144,981.59/217,471.98 = 39,800.66/x
  3. Step 3: Cross multiply
    144,981.59x = 217,471.98 × 39,800.66
  4. Step 4: Simplify right side
    144,981.59x = 8,655,528,335.51
  5. Step 5: Solve for x
    x = 8,655,528,335.51/144,981.59
  6. Step 6: Final answer
    x = 59,700.88

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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.