Home / 125,580.36-173,297.89-71,861.95

Finding the Fourth Proportional to 125,580.36, 173,297.89 and 71,861.95

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Solution

The fourth proportional to 125,580.36, 173,297.89 and 71,861.95 is: 99,167.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,580.36 : 173,297.89 = 71,861.95 : x
  2. Step 2: Convert to fraction form
    125,580.36/173,297.89 = 71,861.95/x
  3. Step 3: Cross multiply
    125,580.36x = 173,297.89 × 71,861.95
  4. Step 4: Simplify right side
    125,580.36x = 12,453,524,306.29
  5. Step 5: Solve for x
    x = 12,453,524,306.29/125,580.36
  6. Step 6: Final answer
    x = 99,167.77

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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.