Home / 124,800.27-172,221.84-68,212.05

Finding the Fourth Proportional to 124,800.27, 172,221.84 and 68,212.05

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Solution

The fourth proportional to 124,800.27, 172,221.84 and 68,212.05 is: 94,131.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,800.27 : 172,221.84 = 68,212.05 : x
  2. Step 2: Convert to fraction form
    124,800.27/172,221.84 = 68,212.05/x
  3. Step 3: Cross multiply
    124,800.27x = 172,221.84 × 68,212.05
  4. Step 4: Simplify right side
    124,800.27x = 11,747,604,761.17
  5. Step 5: Solve for x
    x = 11,747,604,761.17/124,800.27
  6. Step 6: Final answer
    x = 94,131.24

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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.