Home / 125,450.76-173,122.30-74,473.72

Finding the Fourth Proportional to 125,450.76, 173,122.30 and 74,473.72

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Solution

The fourth proportional to 125,450.76, 173,122.30 and 74,473.72 is: 102,773.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,450.76 : 173,122.30 = 74,473.72 : x
  2. Step 2: Convert to fraction form
    125,450.76/173,122.30 = 74,473.72/x
  3. Step 3: Cross multiply
    125,450.76x = 173,122.30 × 74,473.72
  4. Step 4: Simplify right side
    125,450.76x = 12,893,061,216.60
  5. Step 5: Solve for x
    x = 12,893,061,216.60/125,450.76
  6. Step 6: Final answer
    x = 102,773.88

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1.5x scale

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.