Home / 89,860.20-134,531.10-60,311.40

Finding the Fourth Proportional to 89,860.20, 134,531.10 and 60,311.40

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Solution

The fourth proportional to 89,860.20, 134,531.10 and 60,311.40 is: 90,293.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,860.20 : 134,531.10 = 60,311.40 : x
  2. Step 2: Convert to fraction form
    89,860.20/134,531.10 = 60,311.40/x
  3. Step 3: Cross multiply
    89,860.20x = 134,531.10 × 60,311.40
  4. Step 4: Simplify right side
    89,860.20x = 8,113,758,984.54
  5. Step 5: Solve for x
    x = 8,113,758,984.54/89,860.20
  6. Step 6: Final answer
    x = 90,293.13

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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.