Home / 89,628.20-134,442.30-88,245.80

Finding the Fourth Proportional to 89,628.20, 134,442.30 and 88,245.80

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Solution

The fourth proportional to 89,628.20, 134,442.30 and 88,245.80 is: 132,368.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,628.20 : 134,442.30 = 88,245.80 : x
  2. Step 2: Convert to fraction form
    89,628.20/134,442.30 = 88,245.80/x
  3. Step 3: Cross multiply
    89,628.20x = 134,442.30 × 88,245.80
  4. Step 4: Simplify right side
    89,628.20x = 11,863,968,317.34
  5. Step 5: Solve for x
    x = 11,863,968,317.34/89,628.20
  6. Step 6: Final answer
    x = 132,368.70

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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.