Home / 137,454.68-189,695.07-77,044.74

Finding the Fourth Proportional to 137,454.68, 189,695.07 and 77,044.74

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Solution

The fourth proportional to 137,454.68, 189,695.07 and 77,044.74 is: 106,326.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,454.68 : 189,695.07 = 77,044.74 : x
  2. Step 2: Convert to fraction form
    137,454.68/189,695.07 = 77,044.74/x
  3. Step 3: Cross multiply
    137,454.68x = 189,695.07 × 77,044.74
  4. Step 4: Simplify right side
    137,454.68x = 14,615,007,347.43
  5. Step 5: Solve for x
    x = 14,615,007,347.43/137,454.68
  6. Step 6: Final answer
    x = 106,326.01

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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.