Home / 147,256.76-220,879.92-47,423.72

Finding the Fourth Proportional to 147,256.76, 220,879.92 and 47,423.72

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Solution

The fourth proportional to 147,256.76, 220,879.92 and 47,423.72 is: 71,133.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,256.76 : 220,879.92 = 47,423.72 : x
  2. Step 2: Convert to fraction form
    147,256.76/220,879.92 = 47,423.72/x
  3. Step 3: Cross multiply
    147,256.76x = 220,879.92 × 47,423.72
  4. Step 4: Simplify right side
    147,256.76x = 10,474,947,479.70
  5. Step 5: Solve for x
    x = 10,474,947,479.70/147,256.76
  6. Step 6: Final answer
    x = 71,133.90

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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.