Home / 148,479.20-222,688.56-54,962.72

Finding the Fourth Proportional to 148,479.20, 222,688.56 and 54,962.72

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Solution

The fourth proportional to 148,479.20, 222,688.56 and 54,962.72 is: 82,432.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,479.20 : 222,688.56 = 54,962.72 : x
  2. Step 2: Convert to fraction form
    148,479.20/222,688.56 = 54,962.72/x
  3. Step 3: Cross multiply
    148,479.20x = 222,688.56 × 54,962.72
  4. Step 4: Simplify right side
    148,479.20x = 12,239,568,970.48
  5. Step 5: Solve for x
    x = 12,239,568,970.48/148,479.20
  6. Step 6: Final answer
    x = 82,432.89

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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.