Home / 113,603.40-170,382.78-38,727.72

Finding the Fourth Proportional to 113,603.40, 170,382.78 and 38,727.72

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Solution

The fourth proportional to 113,603.40, 170,382.78 and 38,727.72 is: 58,083.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,603.40 : 170,382.78 = 38,727.72 : x
  2. Step 2: Convert to fraction form
    113,603.40/170,382.78 = 38,727.72/x
  3. Step 3: Cross multiply
    113,603.40x = 170,382.78 × 38,727.72
  4. Step 4: Simplify right side
    113,603.40x = 6,598,536,596.66
  5. Step 5: Solve for x
    x = 6,598,536,596.66/113,603.40
  6. Step 6: Final answer
    x = 58,083.97

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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.