Home / 144,306.42-215,402.89-127,262.52

Finding the Fourth Proportional to 144,306.42, 215,402.89 and 127,262.52

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Solution

The fourth proportional to 144,306.42, 215,402.89 and 127,262.52 is: 189,961.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,306.42 : 215,402.89 = 127,262.52 : x
  2. Step 2: Convert to fraction form
    144,306.42/215,402.89 = 127,262.52/x
  3. Step 3: Cross multiply
    144,306.42x = 215,402.89 × 127,262.52
  4. Step 4: Simplify right side
    144,306.42x = 27,412,714,278.53
  5. Step 5: Solve for x
    x = 27,412,714,278.53/144,306.42
  6. Step 6: Final answer
    x = 189,961.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.