Home / 148,040.80-222,134.10-84,909.40

Finding the Fourth Proportional to 148,040.80, 222,134.10 and 84,909.40

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Solution

The fourth proportional to 148,040.80, 222,134.10 and 84,909.40 is: 127,405.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,040.80 : 222,134.10 = 84,909.40 : x
  2. Step 2: Convert to fraction form
    148,040.80/222,134.10 = 84,909.40/x
  3. Step 3: Cross multiply
    148,040.80x = 222,134.10 × 84,909.40
  4. Step 4: Simplify right side
    148,040.80x = 18,861,273,150.54
  5. Step 5: Solve for x
    x = 18,861,273,150.54/148,040.80
  6. Step 6: Final answer
    x = 127,405.91

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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.