Home / 137,454.17-189,686.63-77,025.29

Finding the Fourth Proportional to 137,454.17, 189,686.63 and 77,025.29

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Solution

The fourth proportional to 137,454.17, 189,686.63 and 77,025.29 is: 106,294.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,454.17 : 189,686.63 = 77,025.29 : x
  2. Step 2: Convert to fraction form
    137,454.17/189,686.63 = 77,025.29/x
  3. Step 3: Cross multiply
    137,454.17x = 189,686.63 × 77,025.29
  4. Step 4: Simplify right side
    137,454.17x = 14,610,667,299.75
  5. Step 5: Solve for x
    x = 14,610,667,299.75/137,454.17
  6. Step 6: Final answer
    x = 106,294.83

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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.