Home / 124,941.20-172,420.44-68,353.52

Finding the Fourth Proportional to 124,941.20, 172,420.44 and 68,353.52

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Solution

The fourth proportional to 124,941.20, 172,420.44 and 68,353.52 is: 94,328.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,941.20 : 172,420.44 = 68,353.52 : x
  2. Step 2: Convert to fraction form
    124,941.20/172,420.44 = 68,353.52/x
  3. Step 3: Cross multiply
    124,941.20x = 172,420.44 × 68,353.52
  4. Step 4: Simplify right side
    124,941.20x = 11,785,543,993.95
  5. Step 5: Solve for x
    x = 11,785,543,993.95/124,941.20
  6. Step 6: Final answer
    x = 94,328.72

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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.