Home / 128,059.20-192,077.28-44,948.16

Finding the Fourth Proportional to 128,059.20, 192,077.28 and 44,948.16

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Solution

The fourth proportional to 128,059.20, 192,077.28 and 44,948.16 is: 67,418.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,059.20 : 192,077.28 = 44,948.16 : x
  2. Step 2: Convert to fraction form
    128,059.20/192,077.28 = 44,948.16/x
  3. Step 3: Cross multiply
    128,059.20x = 192,077.28 × 44,948.16
  4. Step 4: Simplify right side
    128,059.20x = 8,633,520,313.80
  5. Step 5: Solve for x
    x = 8,633,520,313.80/128,059.20
  6. Step 6: Final answer
    x = 67,418.20

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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.