Home / 115,589.29-173,368.21-31,354.87

Finding the Fourth Proportional to 115,589.29, 173,368.21 and 31,354.87

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Solution

The fourth proportional to 115,589.29, 173,368.21 and 31,354.87 is: 47,028.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,589.29 : 173,368.21 = 31,354.87 : x
  2. Step 2: Convert to fraction form
    115,589.29/173,368.21 = 31,354.87/x
  3. Step 3: Cross multiply
    115,589.29x = 173,368.21 × 31,354.87
  4. Step 4: Simplify right side
    115,589.29x = 5,435,937,686.68
  5. Step 5: Solve for x
    x = 5,435,937,686.68/115,589.29
  6. Step 6: Final answer
    x = 47,028.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.