Home / 112,968.87-169,454.51-34,083.78

Finding the Fourth Proportional to 112,968.87, 169,454.51 and 34,083.78

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Solution

The fourth proportional to 112,968.87, 169,454.51 and 34,083.78 is: 51,126.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,968.87 : 169,454.51 = 34,083.78 : x
  2. Step 2: Convert to fraction form
    112,968.87/169,454.51 = 34,083.78/x
  3. Step 3: Cross multiply
    112,968.87x = 169,454.51 × 34,083.78
  4. Step 4: Simplify right side
    112,968.87x = 5,775,650,238.85
  5. Step 5: Solve for x
    x = 5,775,650,238.85/112,968.87
  6. Step 6: Final answer
    x = 51,126.03

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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.