Home / 112,672.14-155,486.22-61,684.26

Finding the Fourth Proportional to 112,672.14, 155,486.22 and 61,684.26

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Solution

The fourth proportional to 112,672.14, 155,486.22 and 61,684.26 is: 85,123.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,672.14 : 155,486.22 = 61,684.26 : x
  2. Step 2: Convert to fraction form
    112,672.14/155,486.22 = 61,684.26/x
  3. Step 3: Cross multiply
    112,672.14x = 155,486.22 × 61,684.26
  4. Step 4: Simplify right side
    112,672.14x = 9,591,052,420.90
  5. Step 5: Solve for x
    x = 9,591,052,420.90/112,672.14
  6. Step 6: Final answer
    x = 85,123.55

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1.5x scale

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.