Home / 148,981.20-223,482.60-89,689.20

Finding the Fourth Proportional to 148,981.20, 223,482.60 and 89,689.20

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Solution

The fourth proportional to 148,981.20, 223,482.60 and 89,689.20 is: 134,540.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,981.20 : 223,482.60 = 89,689.20 : x
  2. Step 2: Convert to fraction form
    148,981.20/223,482.60 = 89,689.20/x
  3. Step 3: Cross multiply
    148,981.20x = 223,482.60 × 89,689.20
  4. Step 4: Simplify right side
    148,981.20x = 20,043,975,607.92
  5. Step 5: Solve for x
    x = 20,043,975,607.92/148,981.20
  6. Step 6: Final answer
    x = 134,540.30

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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.