Home / 143,318.17-215,063.65-49,889.53

Finding the Fourth Proportional to 143,318.17, 215,063.65 and 49,889.53

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Solution

The fourth proportional to 143,318.17, 215,063.65 and 49,889.53 is: 74,864.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,318.17 : 215,063.65 = 49,889.53 : x
  2. Step 2: Convert to fraction form
    143,318.17/215,063.65 = 49,889.53/x
  3. Step 3: Cross multiply
    143,318.17x = 215,063.65 × 49,889.53
  4. Step 4: Simplify right side
    143,318.17x = 10,729,423,343.27
  5. Step 5: Solve for x
    x = 10,729,423,343.27/143,318.17
  6. Step 6: Final answer
    x = 74,864.36

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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.