Home / 129,548.45-194,306.27-45,305.21

Finding the Fourth Proportional to 129,548.45, 194,306.27 and 45,305.21

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Solution

The fourth proportional to 129,548.45, 194,306.27 and 45,305.21 is: 67,952.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,548.45 : 194,306.27 = 45,305.21 : x
  2. Step 2: Convert to fraction form
    129,548.45/194,306.27 = 45,305.21/x
  3. Step 3: Cross multiply
    129,548.45x = 194,306.27 × 45,305.21
  4. Step 4: Simplify right side
    129,548.45x = 8,803,085,168.61
  5. Step 5: Solve for x
    x = 8,803,085,168.61/129,548.45
  6. Step 6: Final answer
    x = 67,952.07

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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.