Home / 122,808.28-169,066.02-117,165.82

Finding the Fourth Proportional to 122,808.28, 169,066.02 and 117,165.82

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Solution

The fourth proportional to 122,808.28, 169,066.02 and 117,165.82 is: 161,298.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,808.28 : 169,066.02 = 117,165.82 : x
  2. Step 2: Convert to fraction form
    122,808.28/169,066.02 = 117,165.82/x
  3. Step 3: Cross multiply
    122,808.28x = 169,066.02 × 117,165.82
  4. Step 4: Simplify right side
    122,808.28x = 19,808,758,867.44
  5. Step 5: Solve for x
    x = 19,808,758,867.44/122,808.28
  6. Step 6: Final answer
    x = 161,298.24

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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.