Home / 88,400.25-132,636.56-38,454.57

Finding the Fourth Proportional to 88,400.25, 132,636.56 and 38,454.57

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Solution

The fourth proportional to 88,400.25, 132,636.56 and 38,454.57 is: 57,697.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,400.25 : 132,636.56 = 38,454.57 : x
  2. Step 2: Convert to fraction form
    88,400.25/132,636.56 = 38,454.57/x
  3. Step 3: Cross multiply
    88,400.25x = 132,636.56 × 38,454.57
  4. Step 4: Simplify right side
    88,400.25x = 5,100,481,688.81
  5. Step 5: Solve for x
    x = 5,100,481,688.81/88,400.25
  6. Step 6: Final answer
    x = 57,697.59

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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.