Home / 143,613.38-215,419.93-64,635.32

Finding the Fourth Proportional to 143,613.38, 215,419.93 and 64,635.32

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Solution

The fourth proportional to 143,613.38, 215,419.93 and 64,635.32 is: 96,952.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,613.38 : 215,419.93 = 64,635.32 : x
  2. Step 2: Convert to fraction form
    143,613.38/215,419.93 = 64,635.32/x
  3. Step 3: Cross multiply
    143,613.38x = 215,419.93 × 64,635.32
  4. Step 4: Simplify right side
    143,613.38x = 13,923,734,871.24
  5. Step 5: Solve for x
    x = 13,923,734,871.24/143,613.38
  6. Step 6: Final answer
    x = 96,952.91

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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.