Home / 215,192.48-296,937.36-119,680.16

Finding the Fourth Proportional to 215,192.48, 296,937.36 and 119,680.16

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Solution

The fourth proportional to 215,192.48, 296,937.36 and 119,680.16 is: 165,142.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,192.48 : 296,937.36 = 119,680.16 : x
  2. Step 2: Convert to fraction form
    215,192.48/296,937.36 = 119,680.16/x
  3. Step 3: Cross multiply
    215,192.48x = 296,937.36 × 119,680.16
  4. Step 4: Simplify right side
    215,192.48x = 35,537,510,754.78
  5. Step 5: Solve for x
    x = 35,537,510,754.78/215,192.48
  6. Step 6: Final answer
    x = 165,142.90

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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.