Home / 129,374.23-194,059.72-45,134.23

Finding the Fourth Proportional to 129,374.23, 194,059.72 and 45,134.23

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Solution

The fourth proportional to 129,374.23, 194,059.72 and 45,134.23 is: 67,700.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,374.23 : 194,059.72 = 45,134.23 : x
  2. Step 2: Convert to fraction form
    129,374.23/194,059.72 = 45,134.23/x
  3. Step 3: Cross multiply
    129,374.23x = 194,059.72 × 45,134.23
  4. Step 4: Simplify right side
    129,374.23x = 8,758,736,036.22
  5. Step 5: Solve for x
    x = 8,758,736,036.22/129,374.23
  6. Step 6: Final answer
    x = 67,700.78

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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.