Home / 118,149.25-162,953.80-75,711.73

Finding the Fourth Proportional to 118,149.25, 162,953.80 and 75,711.73

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Solution

The fourth proportional to 118,149.25, 162,953.80 and 75,711.73 is: 104,423.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,149.25 : 162,953.80 = 75,711.73 : x
  2. Step 2: Convert to fraction form
    118,149.25/162,953.80 = 75,711.73/x
  3. Step 3: Cross multiply
    118,149.25x = 162,953.80 × 75,711.73
  4. Step 4: Simplify right side
    118,149.25x = 12,337,514,108.07
  5. Step 5: Solve for x
    x = 12,337,514,108.07/118,149.25
  6. Step 6: Final answer
    x = 104,423.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.