Home / 115,408.29-159,290.01-67,677.02

Finding the Fourth Proportional to 115,408.29, 159,290.01 and 67,677.02

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Solution

The fourth proportional to 115,408.29, 159,290.01 and 67,677.02 is: 93,409.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,408.29 : 159,290.01 = 67,677.02 : x
  2. Step 2: Convert to fraction form
    115,408.29/159,290.01 = 67,677.02/x
  3. Step 3: Cross multiply
    115,408.29x = 159,290.01 × 67,677.02
  4. Step 4: Simplify right side
    115,408.29x = 10,780,272,993.46
  5. Step 5: Solve for x
    x = 10,780,272,993.46/115,408.29
  6. Step 6: Final answer
    x = 93,409.86

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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.