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Finding the Fourth Proportional to 125,925.92, 173,775.72 and 72,209.60

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Solution

The fourth proportional to 125,925.92, 173,775.72 and 72,209.60 is: 99,648.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,925.92 : 173,775.72 = 72,209.60 : x
  2. Step 2: Convert to fraction form
    125,925.92/173,775.72 = 72,209.60/x
  3. Step 3: Cross multiply
    125,925.92x = 173,775.72 × 72,209.60
  4. Step 4: Simplify right side
    125,925.92x = 12,548,275,230.91
  5. Step 5: Solve for x
    x = 12,548,275,230.91/125,925.92
  6. Step 6: Final answer
    x = 99,648.07

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.