Home / 122,772.39-169,377.93-69,045.09

Finding the Fourth Proportional to 122,772.39, 169,377.93 and 69,045.09

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Solution

The fourth proportional to 122,772.39, 169,377.93 and 69,045.09 is: 95,255.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,772.39 : 169,377.93 = 69,045.09 : x
  2. Step 2: Convert to fraction form
    122,772.39/169,377.93 = 69,045.09/x
  3. Step 3: Cross multiply
    122,772.39x = 169,377.93 × 69,045.09
  4. Step 4: Simplify right side
    122,772.39x = 11,694,714,420.86
  5. Step 5: Solve for x
    x = 11,694,714,420.86/122,772.39
  6. Step 6: Final answer
    x = 95,255.25

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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.