Home / 104,350.26-156,531.61-40,308.90

Finding the Fourth Proportional to 104,350.26, 156,531.61 and 40,308.90

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Solution

The fourth proportional to 104,350.26, 156,531.61 and 40,308.90 is: 60,465.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,350.26 : 156,531.61 = 40,308.90 : x
  2. Step 2: Convert to fraction form
    104,350.26/156,531.61 = 40,308.90/x
  3. Step 3: Cross multiply
    104,350.26x = 156,531.61 × 40,308.90
  4. Step 4: Simplify right side
    104,350.26x = 6,309,616,477.72
  5. Step 5: Solve for x
    x = 6,309,616,477.72/104,350.26
  6. Step 6: Final answer
    x = 60,465.75

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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.