Home / 129,377.54-194,004.85-45,127.47

Finding the Fourth Proportional to 129,377.54, 194,004.85 and 45,127.47

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Solution

The fourth proportional to 129,377.54, 194,004.85 and 45,127.47 is: 67,669.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,377.54 : 194,004.85 = 45,127.47 : x
  2. Step 2: Convert to fraction form
    129,377.54/194,004.85 = 45,127.47/x
  3. Step 3: Cross multiply
    129,377.54x = 194,004.85 × 45,127.47
  4. Step 4: Simplify right side
    129,377.54x = 8,754,948,048.23
  5. Step 5: Solve for x
    x = 8,754,948,048.23/129,377.54
  6. Step 6: Final answer
    x = 67,669.77

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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.