Home / 148,003.85-222,005.78-103,680.65

Finding the Fourth Proportional to 148,003.85, 222,005.78 and 103,680.65

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Solution

The fourth proportional to 148,003.85, 222,005.78 and 103,680.65 is: 155,520.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,003.85 : 222,005.78 = 103,680.65 : x
  2. Step 2: Convert to fraction form
    148,003.85/222,005.78 = 103,680.65/x
  3. Step 3: Cross multiply
    148,003.85x = 222,005.78 × 103,680.65
  4. Step 4: Simplify right side
    148,003.85x = 23,017,703,574.16
  5. Step 5: Solve for x
    x = 23,017,703,574.16/148,003.85
  6. Step 6: Final answer
    x = 155,520.98

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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.