Home / 197,542.82-272,613.76-112,658.06

Finding the Fourth Proportional to 197,542.82, 272,613.76 and 112,658.06

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Solution

The fourth proportional to 197,542.82, 272,613.76 and 112,658.06 is: 155,470.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,542.82 : 272,613.76 = 112,658.06 : x
  2. Step 2: Convert to fraction form
    197,542.82/272,613.76 = 112,658.06/x
  3. Step 3: Cross multiply
    197,542.82x = 272,613.76 × 112,658.06
  4. Step 4: Simplify right side
    197,542.82x = 30,712,137,330.91
  5. Step 5: Solve for x
    x = 30,712,137,330.91/197,542.82
  6. Step 6: Final answer
    x = 155,470.79

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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.