Home / 122,756.12-169,383.60-69,037.92

Finding the Fourth Proportional to 122,756.12, 169,383.60 and 69,037.92

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Solution

The fourth proportional to 122,756.12, 169,383.60 and 69,037.92 is: 95,261.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,756.12 : 169,383.60 = 69,037.92 : x
  2. Step 2: Convert to fraction form
    122,756.12/169,383.60 = 69,037.92/x
  3. Step 3: Cross multiply
    122,756.12x = 169,383.60 × 69,037.92
  4. Step 4: Simplify right side
    122,756.12x = 11,693,891,426.11
  5. Step 5: Solve for x
    x = 11,693,891,426.11/122,756.12
  6. Step 6: Final answer
    x = 95,261.17

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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.