Home / 178,229.41-245,918.30-105,655.16

Finding the Fourth Proportional to 178,229.41, 245,918.30 and 105,655.16

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Solution

The fourth proportional to 178,229.41, 245,918.30 and 105,655.16 is: 145,781.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,229.41 : 245,918.30 = 105,655.16 : x
  2. Step 2: Convert to fraction form
    178,229.41/245,918.30 = 105,655.16/x
  3. Step 3: Cross multiply
    178,229.41x = 245,918.30 × 105,655.16
  4. Step 4: Simplify right side
    178,229.41x = 25,982,537,419.95
  5. Step 5: Solve for x
    x = 25,982,537,419.95/178,229.41
  6. Step 6: Final answer
    x = 145,781.43

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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.