Home / 126,288.61-174,278.65-68,928.46

Finding the Fourth Proportional to 126,288.61, 174,278.65 and 68,928.46

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Solution

The fourth proportional to 126,288.61, 174,278.65 and 68,928.46 is: 95,121.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,288.61 : 174,278.65 = 68,928.46 : x
  2. Step 2: Convert to fraction form
    126,288.61/174,278.65 = 68,928.46/x
  3. Step 3: Cross multiply
    126,288.61x = 174,278.65 × 68,928.46
  4. Step 4: Simplify right side
    126,288.61x = 12,012,758,955.38
  5. Step 5: Solve for x
    x = 12,012,758,955.38/126,288.61
  6. Step 6: Final answer
    x = 95,121.48

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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.