Home / 148,976.80-223,173.60-89,636.20

Finding the Fourth Proportional to 148,976.80, 223,173.60 and 89,636.20

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Solution

The fourth proportional to 148,976.80, 223,173.60 and 89,636.20 is: 134,278.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,976.80 : 223,173.60 = 89,636.20 : x
  2. Step 2: Convert to fraction form
    148,976.80/223,173.60 = 89,636.20/x
  3. Step 3: Cross multiply
    148,976.80x = 223,173.60 × 89,636.20
  4. Step 4: Simplify right side
    148,976.80x = 20,004,433,444.32
  5. Step 5: Solve for x
    x = 20,004,433,444.32/148,976.80
  6. Step 6: Final answer
    x = 134,278.85

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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.