Home / 113,268.80-156,314.35-62,278.90

Finding the Fourth Proportional to 113,268.80, 156,314.35 and 62,278.90

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Solution

The fourth proportional to 113,268.80, 156,314.35 and 62,278.90 is: 85,946.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,268.80 : 156,314.35 = 62,278.90 : x
  2. Step 2: Convert to fraction form
    113,268.80/156,314.35 = 62,278.90/x
  3. Step 3: Cross multiply
    113,268.80x = 156,314.35 × 62,278.90
  4. Step 4: Simplify right side
    113,268.80x = 9,735,085,772.22
  5. Step 5: Solve for x
    x = 9,735,085,772.22/113,268.80
  6. Step 6: Final answer
    x = 85,946.75

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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.