Home / 201,838.39-278,486.66-130,132.13

Finding the Fourth Proportional to 201,838.39, 278,486.66 and 130,132.13

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Solution

The fourth proportional to 201,838.39, 278,486.66 and 130,132.13 is: 179,549.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,838.39 : 278,486.66 = 130,132.13 : x
  2. Step 2: Convert to fraction form
    201,838.39/278,486.66 = 130,132.13/x
  3. Step 3: Cross multiply
    201,838.39x = 278,486.66 × 130,132.13
  4. Step 4: Simplify right side
    201,838.39x = 36,240,061,175.28
  5. Step 5: Solve for x
    x = 36,240,061,175.28/201,838.39
  6. Step 6: Final answer
    x = 179,549.89

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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.