Home / 126,880.38-175,087.35-70,287.66

Finding the Fourth Proportional to 126,880.38, 175,087.35 and 70,287.66

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Solution

The fourth proportional to 126,880.38, 175,087.35 and 70,287.66 is: 96,992.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,880.38 : 175,087.35 = 70,287.66 : x
  2. Step 2: Convert to fraction form
    126,880.38/175,087.35 = 70,287.66/x
  3. Step 3: Cross multiply
    126,880.38x = 175,087.35 × 70,287.66
  4. Step 4: Simplify right side
    126,880.38x = 12,306,480,127.10
  5. Step 5: Solve for x
    x = 12,306,480,127.10/126,880.38
  6. Step 6: Final answer
    x = 96,992.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.