Home / 148,711.20-222,937.20-89,570.40

Finding the Fourth Proportional to 148,711.20, 222,937.20 and 89,570.40

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Solution

The fourth proportional to 148,711.20, 222,937.20 and 89,570.40 is: 134,277.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,711.20 : 222,937.20 = 89,570.40 : x
  2. Step 2: Convert to fraction form
    148,711.20/222,937.20 = 89,570.40/x
  3. Step 3: Cross multiply
    148,711.20x = 222,937.20 × 89,570.40
  4. Step 4: Simplify right side
    148,711.20x = 19,968,574,178.88
  5. Step 5: Solve for x
    x = 19,968,574,178.88/148,711.20
  6. Step 6: Final answer
    x = 134,277.54

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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.