Home / 215,287.20-297,095.76-119,791.62

Finding the Fourth Proportional to 215,287.20, 297,095.76 and 119,791.62

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Solution

The fourth proportional to 215,287.20, 297,095.76 and 119,791.62 is: 165,312.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,287.20 : 297,095.76 = 119,791.62 : x
  2. Step 2: Convert to fraction form
    215,287.20/297,095.76 = 119,791.62/x
  3. Step 3: Cross multiply
    215,287.20x = 297,095.76 × 119,791.62
  4. Step 4: Simplify right side
    215,287.20x = 35,589,582,385.53
  5. Step 5: Solve for x
    x = 35,589,582,385.53/215,287.20
  6. Step 6: Final answer
    x = 165,312.12

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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.