Home / 124,750.80-172,156.32-68,160.96

Finding the Fourth Proportional to 124,750.80, 172,156.32 and 68,160.96

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Solution

The fourth proportional to 124,750.80, 172,156.32 and 68,160.96 is: 94,062.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,750.80 : 172,156.32 = 68,160.96 : x
  2. Step 2: Convert to fraction form
    124,750.80/172,156.32 = 68,160.96/x
  3. Step 3: Cross multiply
    124,750.80x = 172,156.32 × 68,160.96
  4. Step 4: Simplify right side
    124,750.80x = 11,734,340,041.27
  5. Step 5: Solve for x
    x = 11,734,340,041.27/124,750.80
  6. Step 6: Final answer
    x = 94,062.24

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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.