Home / 112,757.22-155,603.21-61,769.52

Finding the Fourth Proportional to 112,757.22, 155,603.21 and 61,769.52

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Solution

The fourth proportional to 112,757.22, 155,603.21 and 61,769.52 is: 85,240.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,757.22 : 155,603.21 = 61,769.52 : x
  2. Step 2: Convert to fraction form
    112,757.22/155,603.21 = 61,769.52/x
  3. Step 3: Cross multiply
    112,757.22x = 155,603.21 × 61,769.52
  4. Step 4: Simplify right side
    112,757.22x = 9,611,535,283.31
  5. Step 5: Solve for x
    x = 9,611,535,283.31/112,757.22
  6. Step 6: Final answer
    x = 85,240.97

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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.