Home / 110,378.56-152,335.38-61,988.44

Finding the Fourth Proportional to 110,378.56, 152,335.38 and 61,988.44

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Solution

The fourth proportional to 110,378.56, 152,335.38 and 61,988.44 is: 85,551.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,378.56 : 152,335.38 = 61,988.44 : x
  2. Step 2: Convert to fraction form
    110,378.56/152,335.38 = 61,988.44/x
  3. Step 3: Cross multiply
    110,378.56x = 152,335.38 × 61,988.44
  4. Step 4: Simplify right side
    110,378.56x = 9,443,032,563.01
  5. Step 5: Solve for x
    x = 9,443,032,563.01/110,378.56
  6. Step 6: Final answer
    x = 85,551.33

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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.