Home / 140,326.13-193,592.71-103,620.29

Finding the Fourth Proportional to 140,326.13, 193,592.71 and 103,620.29

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Solution

The fourth proportional to 140,326.13, 193,592.71 and 103,620.29 is: 142,953.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,326.13 : 193,592.71 = 103,620.29 : x
  2. Step 2: Convert to fraction form
    140,326.13/193,592.71 = 103,620.29/x
  3. Step 3: Cross multiply
    140,326.13x = 193,592.71 × 103,620.29
  4. Step 4: Simplify right side
    140,326.13x = 20,060,132,752.09
  5. Step 5: Solve for x
    x = 20,060,132,752.09/140,326.13
  6. Step 6: Final answer
    x = 142,953.65

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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.