Home / 122,853.89-169,536.57-69,134.69

Finding the Fourth Proportional to 122,853.89, 169,536.57 and 69,134.69

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Solution

The fourth proportional to 122,853.89, 169,536.57 and 69,134.69 is: 95,404.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,853.89 : 169,536.57 = 69,134.69 : x
  2. Step 2: Convert to fraction form
    122,853.89/169,536.57 = 69,134.69/x
  3. Step 3: Cross multiply
    122,853.89x = 169,536.57 × 69,134.69
  4. Step 4: Simplify right side
    122,853.89x = 11,720,858,210.61
  5. Step 5: Solve for x
    x = 11,720,858,210.61/122,853.89
  6. Step 6: Final answer
    x = 95,404.86

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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.