Home / 125,686.12-173,451.30-69,101.80

Finding the Fourth Proportional to 125,686.12, 173,451.30 and 69,101.80

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Solution

The fourth proportional to 125,686.12, 173,451.30 and 69,101.80 is: 95,362.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,686.12 : 173,451.30 = 69,101.80 : x
  2. Step 2: Convert to fraction form
    125,686.12/173,451.30 = 69,101.80/x
  3. Step 3: Cross multiply
    125,686.12x = 173,451.30 × 69,101.80
  4. Step 4: Simplify right side
    125,686.12x = 11,985,797,042.34
  5. Step 5: Solve for x
    x = 11,985,797,042.34/125,686.12
  6. Step 6: Final answer
    x = 95,362.93

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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.