Home / 187,588.20-258,866.10-102,702.36

Finding the Fourth Proportional to 187,588.20, 258,866.10 and 102,702.36

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Solution

The fourth proportional to 187,588.20, 258,866.10 and 102,702.36 is: 141,726.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,588.20 : 258,866.10 = 102,702.36 : x
  2. Step 2: Convert to fraction form
    187,588.20/258,866.10 = 102,702.36/x
  3. Step 3: Cross multiply
    187,588.20x = 258,866.10 × 102,702.36
  4. Step 4: Simplify right side
    187,588.20x = 26,586,159,394.00
  5. Step 5: Solve for x
    x = 26,586,159,394.00/187,588.20
  6. Step 6: Final answer
    x = 141,726.18

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1.5x scale

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.