Home / 199,531.22-275,342.02-113,478.57

Finding the Fourth Proportional to 199,531.22, 275,342.02 and 113,478.57

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Solution

The fourth proportional to 199,531.22, 275,342.02 and 113,478.57 is: 156,594.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,531.22 : 275,342.02 = 113,478.57 : x
  2. Step 2: Convert to fraction form
    199,531.22/275,342.02 = 113,478.57/x
  3. Step 3: Cross multiply
    199,531.22x = 275,342.02 × 113,478.57
  4. Step 4: Simplify right side
    199,531.22x = 31,245,418,406.82
  5. Step 5: Solve for x
    x = 31,245,418,406.82/199,531.22
  6. Step 6: Final answer
    x = 156,594.14

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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.