Home / 187,001.37-258,084.04-105,332.31

Finding the Fourth Proportional to 187,001.37, 258,084.04 and 105,332.31

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Solution

The fourth proportional to 187,001.37, 258,084.04 and 105,332.31 is: 145,371.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,001.37 : 258,084.04 = 105,332.31 : x
  2. Step 2: Convert to fraction form
    187,001.37/258,084.04 = 105,332.31/x
  3. Step 3: Cross multiply
    187,001.37x = 258,084.04 × 105,332.31
  4. Step 4: Simplify right side
    187,001.37x = 27,184,588,107.33
  5. Step 5: Solve for x
    x = 27,184,588,107.33/187,001.37
  6. Step 6: Final answer
    x = 145,371.06

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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.