Home / 88,359.20-132,441.60-38,430.80

Finding the Fourth Proportional to 88,359.20, 132,441.60 and 38,430.80

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Solution

The fourth proportional to 88,359.20, 132,441.60 and 38,430.80 is: 57,603.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,359.20 : 132,441.60 = 38,430.80 : x
  2. Step 2: Convert to fraction form
    88,359.20/132,441.60 = 38,430.80/x
  3. Step 3: Cross multiply
    88,359.20x = 132,441.60 × 38,430.80
  4. Step 4: Simplify right side
    88,359.20x = 5,089,836,641.28
  5. Step 5: Solve for x
    x = 5,089,836,641.28/88,359.20
  6. Step 6: Final answer
    x = 57,603.92

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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.