Home / 242,972.11-335,300.59-135,542.06

Finding the Fourth Proportional to 242,972.11, 335,300.59 and 135,542.06

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Solution

The fourth proportional to 242,972.11, 335,300.59 and 135,542.06 is: 187,047.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,972.11 : 335,300.59 = 135,542.06 : x
  2. Step 2: Convert to fraction form
    242,972.11/335,300.59 = 135,542.06/x
  3. Step 3: Cross multiply
    242,972.11x = 335,300.59 × 135,542.06
  4. Step 4: Simplify right side
    242,972.11x = 45,447,332,056.91
  5. Step 5: Solve for x
    x = 45,447,332,056.91/242,972.11
  6. Step 6: Final answer
    x = 187,047.52

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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.