Home / 122,845.32-169,524.58-69,130.32

Finding the Fourth Proportional to 122,845.32, 169,524.58 and 69,130.32

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Solution

The fourth proportional to 122,845.32, 169,524.58 and 69,130.32 is: 95,398.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,845.32 : 169,524.58 = 69,130.32 : x
  2. Step 2: Convert to fraction form
    122,845.32/169,524.58 = 69,130.32/x
  3. Step 3: Cross multiply
    122,845.32x = 169,524.58 × 69,130.32
  4. Step 4: Simplify right side
    122,845.32x = 11,719,288,463.27
  5. Step 5: Solve for x
    x = 11,719,288,463.27/122,845.32
  6. Step 6: Final answer
    x = 95,398.74

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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.