Home / 113,278.75-169,907.15-34,393.66

Finding the Fourth Proportional to 113,278.75, 169,907.15 and 34,393.66

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Solution

The fourth proportional to 113,278.75, 169,907.15 and 34,393.66 is: 51,587.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,278.75 : 169,907.15 = 34,393.66 : x
  2. Step 2: Convert to fraction form
    113,278.75/169,907.15 = 34,393.66/x
  3. Step 3: Cross multiply
    113,278.75x = 169,907.15 × 34,393.66
  4. Step 4: Simplify right side
    113,278.75x = 5,843,728,409.89
  5. Step 5: Solve for x
    x = 5,843,728,409.89/113,278.75
  6. Step 6: Final answer
    x = 51,587.16

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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.