Home / 99,504.43-137,082.50-69,237.77

Finding the Fourth Proportional to 99,504.43, 137,082.50 and 69,237.77

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Solution

The fourth proportional to 99,504.43, 137,082.50 and 69,237.77 is: 95,385.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,504.43 : 137,082.50 = 69,237.77 : x
  2. Step 2: Convert to fraction form
    99,504.43/137,082.50 = 69,237.77/x
  3. Step 3: Cross multiply
    99,504.43x = 137,082.50 × 69,237.77
  4. Step 4: Simplify right side
    99,504.43x = 9,491,286,259.84
  5. Step 5: Solve for x
    x = 9,491,286,259.84/99,504.43
  6. Step 6: Final answer
    x = 95,385.57

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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.