Home / 125,434.20-188,151.30-83,370.90

Finding the Fourth Proportional to 125,434.20, 188,151.30 and 83,370.90

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Solution

The fourth proportional to 125,434.20, 188,151.30 and 83,370.90 is: 125,056.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,434.20 : 188,151.30 = 83,370.90 : x
  2. Step 2: Convert to fraction form
    125,434.20/188,151.30 = 83,370.90/x
  3. Step 3: Cross multiply
    125,434.20x = 188,151.30 × 83,370.90
  4. Step 4: Simplify right side
    125,434.20x = 15,686,343,217.17
  5. Step 5: Solve for x
    x = 15,686,343,217.17/125,434.20
  6. Step 6: Final answer
    x = 125,056.35

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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.