Home / 174,143.12-261,023.45-89,909.60

Finding the Fourth Proportional to 174,143.12, 261,023.45 and 89,909.60

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Solution

The fourth proportional to 174,143.12, 261,023.45 and 89,909.60 is: 134,765.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,143.12 : 261,023.45 = 89,909.60 : x
  2. Step 2: Convert to fraction form
    174,143.12/261,023.45 = 89,909.60/x
  3. Step 3: Cross multiply
    174,143.12x = 261,023.45 × 89,909.60
  4. Step 4: Simplify right side
    174,143.12x = 23,468,512,225.45
  5. Step 5: Solve for x
    x = 23,468,512,225.45/174,143.12
  6. Step 6: Final answer
    x = 134,765.66

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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.