Home / 140,329.13-193,596.85-103,623.29

Finding the Fourth Proportional to 140,329.13, 193,596.85 and 103,623.29

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Solution

The fourth proportional to 140,329.13, 193,596.85 and 103,623.29 is: 142,957.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,329.13 : 193,596.85 = 103,623.29 : x
  2. Step 2: Convert to fraction form
    140,329.13/193,596.85 = 103,623.29/x
  3. Step 3: Cross multiply
    140,329.13x = 193,596.85 × 103,623.29
  4. Step 4: Simplify right side
    140,329.13x = 20,061,142,530.64
  5. Step 5: Solve for x
    x = 20,061,142,530.64/140,329.13
  6. Step 6: Final answer
    x = 142,957.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.