Home / 140,456.96-193,829.28-76,794.08

Finding the Fourth Proportional to 140,456.96, 193,829.28 and 76,794.08

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Solution

The fourth proportional to 140,456.96, 193,829.28 and 76,794.08 is: 105,975.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,456.96 : 193,829.28 = 76,794.08 : x
  2. Step 2: Convert to fraction form
    140,456.96/193,829.28 = 76,794.08/x
  3. Step 3: Cross multiply
    140,456.96x = 193,829.28 × 76,794.08
  4. Step 4: Simplify right side
    140,456.96x = 14,884,941,234.66
  5. Step 5: Solve for x
    x = 14,884,941,234.66/140,456.96
  6. Step 6: Final answer
    x = 105,975.11

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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.