Home / 187,581.75-258,838.71-107,004.47

Finding the Fourth Proportional to 187,581.75, 258,838.71 and 107,004.47

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Solution

The fourth proportional to 187,581.75, 258,838.71 and 107,004.47 is: 147,652.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,581.75 : 258,838.71 = 107,004.47 : x
  2. Step 2: Convert to fraction form
    187,581.75/258,838.71 = 107,004.47/x
  3. Step 3: Cross multiply
    187,581.75x = 258,838.71 × 107,004.47
  4. Step 4: Simplify right side
    187,581.75x = 27,696,897,149.82
  5. Step 5: Solve for x
    x = 27,696,897,149.82/187,581.75
  6. Step 6: Final answer
    x = 147,652.41

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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.