Home / 215,418.84-297,287.70-119,931.52

Finding the Fourth Proportional to 215,418.84, 297,287.70 and 119,931.52

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Solution

The fourth proportional to 215,418.84, 297,287.70 and 119,931.52 is: 165,510.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,418.84 : 297,287.70 = 119,931.52 : x
  2. Step 2: Convert to fraction form
    215,418.84/297,287.70 = 119,931.52/x
  3. Step 3: Cross multiply
    215,418.84x = 297,287.70 × 119,931.52
  4. Step 4: Simplify right side
    215,418.84x = 35,654,165,738.30
  5. Step 5: Solve for x
    x = 35,654,165,738.30/215,418.84
  6. Step 6: Final answer
    x = 165,510.90

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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.