Home / 92,162.24-138,243.23-28,987.91

Finding the Fourth Proportional to 92,162.24, 138,243.23 and 28,987.91

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Solution

The fourth proportional to 92,162.24, 138,243.23 and 28,987.91 is: 43,481.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,162.24 : 138,243.23 = 28,987.91 : x
  2. Step 2: Convert to fraction form
    92,162.24/138,243.23 = 28,987.91/x
  3. Step 3: Cross multiply
    92,162.24x = 138,243.23 × 28,987.91
  4. Step 4: Simplify right side
    92,162.24x = 4,007,381,473.19
  5. Step 5: Solve for x
    x = 4,007,381,473.19/92,162.24
  6. Step 6: Final answer
    x = 43,481.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.