Home / 129,292.42-193,877.02-45,042.24

Finding the Fourth Proportional to 129,292.42, 193,877.02 and 45,042.24

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Solution

The fourth proportional to 129,292.42, 193,877.02 and 45,042.24 is: 67,541.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,292.42 : 193,877.02 = 45,042.24 : x
  2. Step 2: Convert to fraction form
    129,292.42/193,877.02 = 45,042.24/x
  3. Step 3: Cross multiply
    129,292.42x = 193,877.02 × 45,042.24
  4. Step 4: Simplify right side
    129,292.42x = 8,732,655,265.32
  5. Step 5: Solve for x
    x = 8,732,655,265.32/129,292.42
  6. Step 6: Final answer
    x = 67,541.90

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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.