Home / 147,927.38-204,139.78-80,859.38

Finding the Fourth Proportional to 147,927.38, 204,139.78 and 80,859.38

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Solution

The fourth proportional to 147,927.38, 204,139.78 and 80,859.38 is: 111,585.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,927.38 : 204,139.78 = 80,859.38 : x
  2. Step 2: Convert to fraction form
    147,927.38/204,139.78 = 80,859.38/x
  3. Step 3: Cross multiply
    147,927.38x = 204,139.78 × 80,859.38
  4. Step 4: Simplify right side
    147,927.38x = 16,506,614,821.29
  5. Step 5: Solve for x
    x = 16,506,614,821.29/147,927.38
  6. Step 6: Final answer
    x = 111,585.94

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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.