Home / 187,260.24-258,420-102,377.28

Finding the Fourth Proportional to 187,260.24, 258,420 and 102,377.28

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Solution

The fourth proportional to 187,260.24, 258,420 and 102,377.28 is: 141,281.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,260.24 : 258,420 = 102,377.28 : x
  2. Step 2: Convert to fraction form
    187,260.24/258,420 = 102,377.28/x
  3. Step 3: Cross multiply
    187,260.24x = 258,420 × 102,377.28
  4. Step 4: Simplify right side
    187,260.24x = 26,456,336,697.60
  5. Step 5: Solve for x
    x = 26,456,336,697.60/187,260.24
  6. Step 6: Final answer
    x = 141,281.12

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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.