Home / 140,191.95-193,462.37-79,761.29

Finding the Fourth Proportional to 140,191.95, 193,462.37 and 79,761.29

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Solution

The fourth proportional to 140,191.95, 193,462.37 and 79,761.29 is: 110,069.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,191.95 : 193,462.37 = 79,761.29 : x
  2. Step 2: Convert to fraction form
    140,191.95/193,462.37 = 79,761.29/x
  3. Step 3: Cross multiply
    140,191.95x = 193,462.37 × 79,761.29
  4. Step 4: Simplify right side
    140,191.95x = 15,430,806,831.54
  5. Step 5: Solve for x
    x = 15,430,806,831.54/140,191.95
  6. Step 6: Final answer
    x = 110,069.14

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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.