Home / 168,501.12-231,834.24-127,979.52

Finding the Fourth Proportional to 168,501.12, 231,834.24 and 127,979.52

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Solution

The fourth proportional to 168,501.12, 231,834.24 and 127,979.52 is: 176,082.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,501.12 : 231,834.24 = 127,979.52 : x
  2. Step 2: Convert to fraction form
    168,501.12/231,834.24 = 127,979.52/x
  3. Step 3: Cross multiply
    168,501.12x = 231,834.24 × 127,979.52
  4. Step 4: Simplify right side
    168,501.12x = 29,670,034,754.76
  5. Step 5: Solve for x
    x = 29,670,034,754.76/168,501.12
  6. Step 6: Final answer
    x = 176,082.12

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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.