Home / 125,832.20-173,655.60-72,126.14

Finding the Fourth Proportional to 125,832.20, 173,655.60 and 72,126.14

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Solution

The fourth proportional to 125,832.20, 173,655.60 and 72,126.14 is: 99,538.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,832.20 : 173,655.60 = 72,126.14 : x
  2. Step 2: Convert to fraction form
    125,832.20/173,655.60 = 72,126.14/x
  3. Step 3: Cross multiply
    125,832.20x = 173,655.60 × 72,126.14
  4. Step 4: Simplify right side
    125,832.20x = 12,525,108,117.38
  5. Step 5: Solve for x
    x = 12,525,108,117.38/125,832.20
  6. Step 6: Final answer
    x = 99,538.18

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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.