Home / 125,678.74-173,439.98-68,321.92

Finding the Fourth Proportional to 125,678.74, 173,439.98 and 68,321.92

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Solution

The fourth proportional to 125,678.74, 173,439.98 and 68,321.92 is: 94,286.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,678.74 : 173,439.98 = 68,321.92 : x
  2. Step 2: Convert to fraction form
    125,678.74/173,439.98 = 68,321.92/x
  3. Step 3: Cross multiply
    125,678.74x = 173,439.98 × 68,321.92
  4. Step 4: Simplify right side
    125,678.74x = 11,849,752,438.36
  5. Step 5: Solve for x
    x = 11,849,752,438.36/125,678.74
  6. Step 6: Final answer
    x = 94,286.05

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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.