Home / 128,044.20-192,066.30-44,946.60

Finding the Fourth Proportional to 128,044.20, 192,066.30 and 44,946.60

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Solution

The fourth proportional to 128,044.20, 192,066.30 and 44,946.60 is: 67,419.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,044.20 : 192,066.30 = 44,946.60 : x
  2. Step 2: Convert to fraction form
    128,044.20/192,066.30 = 44,946.60/x
  3. Step 3: Cross multiply
    128,044.20x = 192,066.30 × 44,946.60
  4. Step 4: Simplify right side
    128,044.20x = 8,632,727,159.58
  5. Step 5: Solve for x
    x = 8,632,727,159.58/128,044.20
  6. Step 6: Final answer
    x = 67,419.90

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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.