Home / 137,560.23-189,842.19-77,134.74

Finding the Fourth Proportional to 137,560.23, 189,842.19 and 77,134.74

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Solution

The fourth proportional to 137,560.23, 189,842.19 and 77,134.74 is: 106,451.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,560.23 : 189,842.19 = 77,134.74 : x
  2. Step 2: Convert to fraction form
    137,560.23/189,842.19 = 77,134.74/x
  3. Step 3: Cross multiply
    137,560.23x = 189,842.19 × 77,134.74
  4. Step 4: Simplify right side
    137,560.23x = 14,643,427,966.68
  5. Step 5: Solve for x
    x = 14,643,427,966.68/137,560.23
  6. Step 6: Final answer
    x = 106,451.03

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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.