Home / 166,387.17-229,661.43-98,427.78

Finding the Fourth Proportional to 166,387.17, 229,661.43 and 98,427.78

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Solution

The fourth proportional to 166,387.17, 229,661.43 and 98,427.78 is: 135,858.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,387.17 : 229,661.43 = 98,427.78 : x
  2. Step 2: Convert to fraction form
    166,387.17/229,661.43 = 98,427.78/x
  3. Step 3: Cross multiply
    166,387.17x = 229,661.43 × 98,427.78
  4. Step 4: Simplify right side
    166,387.17x = 22,605,064,706.53
  5. Step 5: Solve for x
    x = 22,605,064,706.53/166,387.17
  6. Step 6: Final answer
    x = 135,858.22

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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.