Home / 215,034.20-296,765.14-119,549.78

Finding the Fourth Proportional to 215,034.20, 296,765.14 and 119,549.78

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Solution

The fourth proportional to 215,034.20, 296,765.14 and 119,549.78 is: 164,988.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,034.20 : 296,765.14 = 119,549.78 : x
  2. Step 2: Convert to fraction form
    215,034.20/296,765.14 = 119,549.78/x
  3. Step 3: Cross multiply
    215,034.20x = 296,765.14 × 119,549.78
  4. Step 4: Simplify right side
    215,034.20x = 35,478,207,198.67
  5. Step 5: Solve for x
    x = 35,478,207,198.67/215,034.20
  6. Step 6: Final answer
    x = 164,988.67

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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.