Home / 126,352.17-189,464.87-42,082.71

Finding the Fourth Proportional to 126,352.17, 189,464.87 and 42,082.71

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Solution

The fourth proportional to 126,352.17, 189,464.87 and 42,082.71 is: 63,102.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,352.17 : 189,464.87 = 42,082.71 : x
  2. Step 2: Convert to fraction form
    126,352.17/189,464.87 = 42,082.71/x
  3. Step 3: Cross multiply
    126,352.17x = 189,464.87 × 42,082.71
  4. Step 4: Simplify right side
    126,352.17x = 7,973,194,863.55
  5. Step 5: Solve for x
    x = 7,973,194,863.55/126,352.17
  6. Step 6: Final answer
    x = 63,102.95

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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.