Home / 148,948.80-223,423.20-89,966.40

Finding the Fourth Proportional to 148,948.80, 223,423.20 and 89,966.40

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Solution

The fourth proportional to 148,948.80, 223,423.20 and 89,966.40 is: 134,949.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,948.80 : 223,423.20 = 89,966.40 : x
  2. Step 2: Convert to fraction form
    148,948.80/223,423.20 = 89,966.40/x
  3. Step 3: Cross multiply
    148,948.80x = 223,423.20 × 89,966.40
  4. Step 4: Simplify right side
    148,948.80x = 20,100,580,980.48
  5. Step 5: Solve for x
    x = 20,100,580,980.48/148,948.80
  6. Step 6: Final answer
    x = 134,949.60

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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.