Home / 125,600.10-188,400.15-124,725.30

Finding the Fourth Proportional to 125,600.10, 188,400.15 and 124,725.30

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Solution

The fourth proportional to 125,600.10, 188,400.15 and 124,725.30 is: 187,087.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,600.10 : 188,400.15 = 124,725.30 : x
  2. Step 2: Convert to fraction form
    125,600.10/188,400.15 = 124,725.30/x
  3. Step 3: Cross multiply
    125,600.10x = 188,400.15 × 124,725.30
  4. Step 4: Simplify right side
    125,600.10x = 23,498,265,228.80
  5. Step 5: Solve for x
    x = 23,498,265,228.80/125,600.10
  6. Step 6: Final answer
    x = 187,087.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.