Home / 140,388.20-193,735.29-76,726.00

Finding the Fourth Proportional to 140,388.20, 193,735.29 and 76,726.00

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Solution

The fourth proportional to 140,388.20, 193,735.29 and 76,726.00 is: 105,881.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,388.20 : 193,735.29 = 76,726.00 : x
  2. Step 2: Convert to fraction form
    140,388.20/193,735.29 = 76,726.00/x
  3. Step 3: Cross multiply
    140,388.20x = 193,735.29 × 76,726.00
  4. Step 4: Simplify right side
    140,388.20x = 14,864,534,390.43
  5. Step 5: Solve for x
    x = 14,864,534,390.43/140,388.20
  6. Step 6: Final answer
    x = 105,881.65

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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.