Home / 147,356.20-221,034.30-47,519.65

Finding the Fourth Proportional to 147,356.20, 221,034.30 and 47,519.65

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Solution

The fourth proportional to 147,356.20, 221,034.30 and 47,519.65 is: 71,279.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,356.20 : 221,034.30 = 47,519.65 : x
  2. Step 2: Convert to fraction form
    147,356.20/221,034.30 = 47,519.65/x
  3. Step 3: Cross multiply
    147,356.20x = 221,034.30 × 47,519.65
  4. Step 4: Simplify right side
    147,356.20x = 10,503,472,574.00
  5. Step 5: Solve for x
    x = 10,503,472,574.00/147,356.20
  6. Step 6: Final answer
    x = 71,279.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.