Home / 143,339.49-215,008.02-36,723.24

Finding the Fourth Proportional to 143,339.49, 215,008.02 and 36,723.24

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Solution

The fourth proportional to 143,339.49, 215,008.02 and 36,723.24 is: 55,084.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,339.49 : 215,008.02 = 36,723.24 : x
  2. Step 2: Convert to fraction form
    143,339.49/215,008.02 = 36,723.24/x
  3. Step 3: Cross multiply
    143,339.49x = 215,008.02 × 36,723.24
  4. Step 4: Simplify right side
    143,339.49x = 7,895,791,120.38
  5. Step 5: Solve for x
    x = 7,895,791,120.38/143,339.49
  6. Step 6: Final answer
    x = 55,084.55

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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.