Home / 115,734.32-173,615.36-40,839

Finding the Fourth Proportional to 115,734.32, 173,615.36 and 40,839

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Solution

The fourth proportional to 115,734.32, 173,615.36 and 40,839 is: 61,263.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,734.32 : 173,615.36 = 40,839 : x
  2. Step 2: Convert to fraction form
    115,734.32/173,615.36 = 40,839/x
  3. Step 3: Cross multiply
    115,734.32x = 173,615.36 × 40,839
  4. Step 4: Simplify right side
    115,734.32x = 7,090,277,482.85
  5. Step 5: Solve for x
    x = 7,090,277,482.85/115,734.32
  6. Step 6: Final answer
    x = 61,263.39

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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.