Home / 187,102.69-258,201.96-106,530.25

Finding the Fourth Proportional to 187,102.69, 258,201.96 and 106,530.25

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Solution

The fourth proportional to 187,102.69, 258,201.96 and 106,530.25 is: 147,011.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,102.69 : 258,201.96 = 106,530.25 : x
  2. Step 2: Convert to fraction form
    187,102.69/258,201.96 = 106,530.25/x
  3. Step 3: Cross multiply
    187,102.69x = 258,201.96 × 106,530.25
  4. Step 4: Simplify right side
    187,102.69x = 27,506,318,058.28
  5. Step 5: Solve for x
    x = 27,506,318,058.28/187,102.69
  6. Step 6: Final answer
    x = 147,011.88

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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.