Home / 137,460.12-189,691.86-80,095.88

Finding the Fourth Proportional to 137,460.12, 189,691.86 and 80,095.88

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Solution

The fourth proportional to 137,460.12, 189,691.86 and 80,095.88 is: 110,530.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,460.12 : 189,691.86 = 80,095.88 : x
  2. Step 2: Convert to fraction form
    137,460.12/189,691.86 = 80,095.88/x
  3. Step 3: Cross multiply
    137,460.12x = 189,691.86 × 80,095.88
  4. Step 4: Simplify right side
    137,460.12x = 15,193,535,507.08
  5. Step 5: Solve for x
    x = 15,193,535,507.08/137,460.12
  6. Step 6: Final answer
    x = 110,530.50

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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.