Home / 215,330.12-297,152.67-119,836.79

Finding the Fourth Proportional to 215,330.12, 297,152.67 and 119,836.79

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Solution

The fourth proportional to 215,330.12, 297,152.67 and 119,836.79 is: 165,373.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,330.12 : 297,152.67 = 119,836.79 : x
  2. Step 2: Convert to fraction form
    215,330.12/297,152.67 = 119,836.79/x
  3. Step 3: Cross multiply
    215,330.12x = 297,152.67 × 119,836.79
  4. Step 4: Simplify right side
    215,330.12x = 35,609,820,626.97
  5. Step 5: Solve for x
    x = 35,609,820,626.97/215,330.12
  6. Step 6: Final answer
    x = 165,373.16

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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.