Home / 242,609.49-334,796.63-135,177.21

Finding the Fourth Proportional to 242,609.49, 334,796.63 and 135,177.21

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Solution

The fourth proportional to 242,609.49, 334,796.63 and 135,177.21 is: 186,542.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,609.49 : 334,796.63 = 135,177.21 : x
  2. Step 2: Convert to fraction form
    242,609.49/334,796.63 = 135,177.21/x
  3. Step 3: Cross multiply
    242,609.49x = 334,796.63 × 135,177.21
  4. Step 4: Simplify right side
    242,609.49x = 45,256,874,360.80
  5. Step 5: Solve for x
    x = 45,256,874,360.80/242,609.49
  6. Step 6: Final answer
    x = 186,542.06

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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.