Home / 145,082.16-217,633.24-60,757.42

Finding the Fourth Proportional to 145,082.16, 217,633.24 and 60,757.42

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Solution

The fourth proportional to 145,082.16, 217,633.24 and 60,757.42 is: 91,140.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,082.16 : 217,633.24 = 60,757.42 : x
  2. Step 2: Convert to fraction form
    145,082.16/217,633.24 = 60,757.42/x
  3. Step 3: Cross multiply
    145,082.16x = 217,633.24 × 60,757.42
  4. Step 4: Simplify right side
    145,082.16x = 13,222,834,168.64
  5. Step 5: Solve for x
    x = 13,222,834,168.64/145,082.16
  6. Step 6: Final answer
    x = 91,140.32

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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.