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Finding the Fourth Proportional to 148,951.80, 223,427.70 and 89,969.40

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Solution

The fourth proportional to 148,951.80, 223,427.70 and 89,969.40 is: 134,954.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,951.80 : 223,427.70 = 89,969.40 : x
  2. Step 2: Convert to fraction form
    148,951.80/223,427.70 = 89,969.40/x
  3. Step 3: Cross multiply
    148,951.80x = 223,427.70 × 89,969.40
  4. Step 4: Simplify right side
    148,951.80x = 20,101,656,112.38
  5. Step 5: Solve for x
    x = 20,101,656,112.38/148,951.80
  6. Step 6: Final answer
    x = 134,954.10

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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.