Home / 137,246.92-189,400.71-76,817.56

Finding the Fourth Proportional to 137,246.92, 189,400.71 and 76,817.56

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Solution

The fourth proportional to 137,246.92, 189,400.71 and 76,817.56 is: 106,008.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,246.92 : 189,400.71 = 76,817.56 : x
  2. Step 2: Convert to fraction form
    137,246.92/189,400.71 = 76,817.56/x
  3. Step 3: Cross multiply
    137,246.92x = 189,400.71 × 76,817.56
  4. Step 4: Simplify right side
    137,246.92x = 14,549,300,685.93
  5. Step 5: Solve for x
    x = 14,549,300,685.93/137,246.92
  6. Step 6: Final answer
    x = 106,008.22

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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.