Home / 126,868.68-175,077.30-68,724.32

Finding the Fourth Proportional to 126,868.68, 175,077.30 and 68,724.32

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Solution

The fourth proportional to 126,868.68, 175,077.30 and 68,724.32 is: 94,838.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,868.68 : 175,077.30 = 68,724.32 : x
  2. Step 2: Convert to fraction form
    126,868.68/175,077.30 = 68,724.32/x
  3. Step 3: Cross multiply
    126,868.68x = 175,077.30 × 68,724.32
  4. Step 4: Simplify right side
    126,868.68x = 12,032,068,389.94
  5. Step 5: Solve for x
    x = 12,032,068,389.94/126,868.68
  6. Step 6: Final answer
    x = 94,838.76

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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.