Home / 148,989.20-223,483.80-89,794.40

Finding the Fourth Proportional to 148,989.20, 223,483.80 and 89,794.40

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Solution

The fourth proportional to 148,989.20, 223,483.80 and 89,794.40 is: 134,691.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,989.20 : 223,483.80 = 89,794.40 : x
  2. Step 2: Convert to fraction form
    148,989.20/223,483.80 = 89,794.40/x
  3. Step 3: Cross multiply
    148,989.20x = 223,483.80 × 89,794.40
  4. Step 4: Simplify right side
    148,989.20x = 20,067,593,730.72
  5. Step 5: Solve for x
    x = 20,067,593,730.72/148,989.20
  6. Step 6: Final answer
    x = 134,691.60

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1.5x scale

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.