Home / 88,269.21-132,329.34-38,311.65

Finding the Fourth Proportional to 88,269.21, 132,329.34 and 38,311.65

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Solution

The fourth proportional to 88,269.21, 132,329.34 and 38,311.65 is: 57,435.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,269.21 : 132,329.34 = 38,311.65 : x
  2. Step 2: Convert to fraction form
    88,269.21/132,329.34 = 38,311.65/x
  3. Step 3: Cross multiply
    88,269.21x = 132,329.34 × 38,311.65
  4. Step 4: Simplify right side
    88,269.21x = 5,069,755,358.81
  5. Step 5: Solve for x
    x = 5,069,755,358.81/88,269.21
  6. Step 6: Final answer
    x = 57,435.15

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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.