Home / 88,539.60-132,425.40-79,246.80

Finding the Fourth Proportional to 88,539.60, 132,425.40 and 79,246.80

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Solution

The fourth proportional to 88,539.60, 132,425.40 and 79,246.80 is: 118,526.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,539.60 : 132,425.40 = 79,246.80 : x
  2. Step 2: Convert to fraction form
    88,539.60/132,425.40 = 79,246.80/x
  3. Step 3: Cross multiply
    88,539.60x = 132,425.40 × 79,246.80
  4. Step 4: Simplify right side
    88,539.60x = 10,494,289,188.72
  5. Step 5: Solve for x
    x = 10,494,289,188.72/88,539.60
  6. Step 6: Final answer
    x = 118,526.50

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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.