Home / 122,878.29-169,553.58-69,160.11

Finding the Fourth Proportional to 122,878.29, 169,553.58 and 69,160.11

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Solution

The fourth proportional to 122,878.29, 169,553.58 and 69,160.11 is: 95,430.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,878.29 : 169,553.58 = 69,160.11 : x
  2. Step 2: Convert to fraction form
    122,878.29/169,553.58 = 69,160.11/x
  3. Step 3: Cross multiply
    122,878.29x = 169,553.58 × 69,160.11
  4. Step 4: Simplify right side
    122,878.29x = 11,726,344,243.69
  5. Step 5: Solve for x
    x = 11,726,344,243.69/122,878.29
  6. Step 6: Final answer
    x = 95,430.56

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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.