Home / 125,593.24-173,318.16-71,878

Finding the Fourth Proportional to 125,593.24, 173,318.16 and 71,878

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Solution

The fourth proportional to 125,593.24, 173,318.16 and 71,878 is: 99,191.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,593.24 : 173,318.16 = 71,878 : x
  2. Step 2: Convert to fraction form
    125,593.24/173,318.16 = 71,878/x
  3. Step 3: Cross multiply
    125,593.24x = 173,318.16 × 71,878
  4. Step 4: Simplify right side
    125,593.24x = 12,457,762,704.48
  5. Step 5: Solve for x
    x = 12,457,762,704.48/125,593.24
  6. Step 6: Final answer
    x = 99,191.35

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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.