Home / 88,434.40-132,651.60-60,440.80

Finding the Fourth Proportional to 88,434.40, 132,651.60 and 60,440.80

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Solution

The fourth proportional to 88,434.40, 132,651.60 and 60,440.80 is: 90,661.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,434.40 : 132,651.60 = 60,440.80 : x
  2. Step 2: Convert to fraction form
    88,434.40/132,651.60 = 60,440.80/x
  3. Step 3: Cross multiply
    88,434.40x = 132,651.60 × 60,440.80
  4. Step 4: Simplify right side
    88,434.40x = 8,017,568,825.28
  5. Step 5: Solve for x
    x = 8,017,568,825.28/88,434.40
  6. Step 6: Final answer
    x = 90,661.20

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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.