Home / 129,641.18-194,159.63-125,151.35

Finding the Fourth Proportional to 129,641.18, 194,159.63 and 125,151.35

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Solution

The fourth proportional to 129,641.18, 194,159.63 and 125,151.35 is: 187,435.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,641.18 : 194,159.63 = 125,151.35 : x
  2. Step 2: Convert to fraction form
    129,641.18/194,159.63 = 125,151.35/x
  3. Step 3: Cross multiply
    129,641.18x = 194,159.63 × 125,151.35
  4. Step 4: Simplify right side
    129,641.18x = 24,299,338,213.45
  5. Step 5: Solve for x
    x = 24,299,338,213.45/129,641.18
  6. Step 6: Final answer
    x = 187,435.34

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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.