Home / 136,492.20-188,357.58-76,062.66

Finding the Fourth Proportional to 136,492.20, 188,357.58 and 76,062.66

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Solution

The fourth proportional to 136,492.20, 188,357.58 and 76,062.66 is: 104,965.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,492.20 : 188,357.58 = 76,062.66 : x
  2. Step 2: Convert to fraction form
    136,492.20/188,357.58 = 76,062.66/x
  3. Step 3: Cross multiply
    136,492.20x = 188,357.58 × 76,062.66
  4. Step 4: Simplify right side
    136,492.20x = 14,326,978,565.96
  5. Step 5: Solve for x
    x = 14,326,978,565.96/136,492.20
  6. Step 6: Final answer
    x = 104,965.55

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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.