Home / 122,744.12-169,385.28-69,029.12

Finding the Fourth Proportional to 122,744.12, 169,385.28 and 69,029.12

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Solution

The fourth proportional to 122,744.12, 169,385.28 and 69,029.12 is: 95,259.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,744.12 : 169,385.28 = 69,029.12 : x
  2. Step 2: Convert to fraction form
    122,744.12/169,385.28 = 69,029.12/x
  3. Step 3: Cross multiply
    122,744.12x = 169,385.28 × 69,029.12
  4. Step 4: Simplify right side
    122,744.12x = 11,692,516,819.35
  5. Step 5: Solve for x
    x = 11,692,516,819.35/122,744.12
  6. Step 6: Final answer
    x = 95,259.28

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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.