Home / 202,119.30-278,767.17-130,516.92

Finding the Fourth Proportional to 202,119.30, 278,767.17 and 130,516.92

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Solution

The fourth proportional to 202,119.30, 278,767.17 and 130,516.92 is: 180,011.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,119.30 : 278,767.17 = 130,516.92 : x
  2. Step 2: Convert to fraction form
    202,119.30/278,767.17 = 130,516.92/x
  3. Step 3: Cross multiply
    202,119.30x = 278,767.17 × 130,516.92
  4. Step 4: Simplify right side
    202,119.30x = 36,383,832,425.52
  5. Step 5: Solve for x
    x = 36,383,832,425.52/202,119.30
  6. Step 6: Final answer
    x = 180,011.67

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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.