Home / 137,209.44-189,354.24-79,844.16

Finding the Fourth Proportional to 137,209.44, 189,354.24 and 79,844.16

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Solution

The fourth proportional to 137,209.44, 189,354.24 and 79,844.16 is: 110,187.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,209.44 : 189,354.24 = 79,844.16 : x
  2. Step 2: Convert to fraction form
    137,209.44/189,354.24 = 79,844.16/x
  3. Step 3: Cross multiply
    137,209.44x = 189,354.24 × 79,844.16
  4. Step 4: Simplify right side
    137,209.44x = 15,118,830,235.24
  5. Step 5: Solve for x
    x = 15,118,830,235.24/137,209.44
  6. Step 6: Final answer
    x = 110,187.97

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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.