Home / 125,617.72-173,344.30-71,903.16

Finding the Fourth Proportional to 125,617.72, 173,344.30 and 71,903.16

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Solution

The fourth proportional to 125,617.72, 173,344.30 and 71,903.16 is: 99,221.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,617.72 : 173,344.30 = 71,903.16 : x
  2. Step 2: Convert to fraction form
    125,617.72/173,344.30 = 71,903.16/x
  3. Step 3: Cross multiply
    125,617.72x = 173,344.30 × 71,903.16
  4. Step 4: Simplify right side
    125,617.72x = 12,464,002,937.99
  5. Step 5: Solve for x
    x = 12,464,002,937.99/125,617.72
  6. Step 6: Final answer
    x = 99,221.69

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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.