Home / 88,278.30-132,223.05-76,614.30

Finding the Fourth Proportional to 88,278.30, 132,223.05 and 76,614.30

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Solution

The fourth proportional to 88,278.30, 132,223.05 and 76,614.30 is: 114,752.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,278.30 : 132,223.05 = 76,614.30 : x
  2. Step 2: Convert to fraction form
    88,278.30/132,223.05 = 76,614.30/x
  3. Step 3: Cross multiply
    88,278.30x = 132,223.05 × 76,614.30
  4. Step 4: Simplify right side
    88,278.30x = 10,130,176,419.62
  5. Step 5: Solve for x
    x = 10,130,176,419.62/88,278.30
  6. Step 6: Final answer
    x = 114,752.74

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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.