Home / 125,591.04-173,345.40-71,906.94

Finding the Fourth Proportional to 125,591.04, 173,345.40 and 71,906.94

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Solution

The fourth proportional to 125,591.04, 173,345.40 and 71,906.94 is: 99,248.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,591.04 : 173,345.40 = 71,906.94 : x
  2. Step 2: Convert to fraction form
    125,591.04/173,345.40 = 71,906.94/x
  3. Step 3: Cross multiply
    125,591.04x = 173,345.40 × 71,906.94
  4. Step 4: Simplify right side
    125,591.04x = 12,464,737,277.08
  5. Step 5: Solve for x
    x = 12,464,737,277.08/125,591.04
  6. Step 6: Final answer
    x = 99,248.62

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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.