Home / 109,402.46-150,973.29-61,654.85

Finding the Fourth Proportional to 109,402.46, 150,973.29 and 61,654.85

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Solution

The fourth proportional to 109,402.46, 150,973.29 and 61,654.85 is: 85,082.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,402.46 : 150,973.29 = 61,654.85 : x
  2. Step 2: Convert to fraction form
    109,402.46/150,973.29 = 61,654.85/x
  3. Step 3: Cross multiply
    109,402.46x = 150,973.29 × 61,654.85
  4. Step 4: Simplify right side
    109,402.46x = 9,308,235,548.96
  5. Step 5: Solve for x
    x = 9,308,235,548.96/109,402.46
  6. Step 6: Final answer
    x = 85,082.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.