Home / 187,842.76-282,014.40-109,013.56

Finding the Fourth Proportional to 187,842.76, 282,014.40 and 109,013.56

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Solution

The fourth proportional to 187,842.76, 282,014.40 and 109,013.56 is: 163,665.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,842.76 : 282,014.40 = 109,013.56 : x
  2. Step 2: Convert to fraction form
    187,842.76/282,014.40 = 109,013.56/x
  3. Step 3: Cross multiply
    187,842.76x = 282,014.40 × 109,013.56
  4. Step 4: Simplify right side
    187,842.76x = 30,743,393,715.26
  5. Step 5: Solve for x
    x = 30,743,393,715.26/187,842.76
  6. Step 6: Final answer
    x = 163,665.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.