Home / 143,731.68-215,437.13-63,785.89

Finding the Fourth Proportional to 143,731.68, 215,437.13 and 63,785.89

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Solution

The fourth proportional to 143,731.68, 215,437.13 and 63,785.89 is: 95,607.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,731.68 : 215,437.13 = 63,785.89 : x
  2. Step 2: Convert to fraction form
    143,731.68/215,437.13 = 63,785.89/x
  3. Step 3: Cross multiply
    143,731.68x = 215,437.13 × 63,785.89
  4. Step 4: Simplify right side
    143,731.68x = 13,741,849,076.10
  5. Step 5: Solve for x
    x = 13,741,849,076.10/143,731.68
  6. Step 6: Final answer
    x = 95,607.66

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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.