Home / 88,328.70-132,493.05-68,621.40

Finding the Fourth Proportional to 88,328.70, 132,493.05 and 68,621.40

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Solution

The fourth proportional to 88,328.70, 132,493.05 and 68,621.40 is: 102,932.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,328.70 : 132,493.05 = 68,621.40 : x
  2. Step 2: Convert to fraction form
    88,328.70/132,493.05 = 68,621.40/x
  3. Step 3: Cross multiply
    88,328.70x = 132,493.05 × 68,621.40
  4. Step 4: Simplify right side
    88,328.70x = 9,091,858,581.27
  5. Step 5: Solve for x
    x = 9,091,858,581.27/88,328.70
  6. Step 6: Final answer
    x = 102,932.10

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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.