Home / 102,411.75-153,617.40-27,531.90

Finding the Fourth Proportional to 102,411.75, 153,617.40 and 27,531.90

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Solution

The fourth proportional to 102,411.75, 153,617.40 and 27,531.90 is: 41,297.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,411.75 : 153,617.40 = 27,531.90 : x
  2. Step 2: Convert to fraction form
    102,411.75/153,617.40 = 27,531.90/x
  3. Step 3: Cross multiply
    102,411.75x = 153,617.40 × 27,531.90
  4. Step 4: Simplify right side
    102,411.75x = 4,229,378,895.06
  5. Step 5: Solve for x
    x = 4,229,378,895.06/102,411.75
  6. Step 6: Final answer
    x = 41,297.79

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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.