Home / 187,555.32-258,827.04-102,680.28

Finding the Fourth Proportional to 187,555.32, 258,827.04 and 102,680.28

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Solution

The fourth proportional to 187,555.32, 258,827.04 and 102,680.28 is: 141,699.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,555.32 : 258,827.04 = 102,680.28 : x
  2. Step 2: Convert to fraction form
    187,555.32/258,827.04 = 102,680.28/x
  3. Step 3: Cross multiply
    187,555.32x = 258,827.04 × 102,680.28
  4. Step 4: Simplify right side
    187,555.32x = 26,576,432,938.77
  5. Step 5: Solve for x
    x = 26,576,432,938.77/187,555.32
  6. Step 6: Final answer
    x = 141,699.17

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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.