Home / 238,132.51-328,673.70-142,694.66

Finding the Fourth Proportional to 238,132.51, 328,673.70 and 142,694.66

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Solution

The fourth proportional to 238,132.51, 328,673.70 and 142,694.66 is: 196,949.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,132.51 : 328,673.70 = 142,694.66 : x
  2. Step 2: Convert to fraction form
    238,132.51/328,673.70 = 142,694.66/x
  3. Step 3: Cross multiply
    238,132.51x = 328,673.70 × 142,694.66
  4. Step 4: Simplify right side
    238,132.51x = 46,899,982,694.13
  5. Step 5: Solve for x
    x = 46,899,982,694.13/238,132.51
  6. Step 6: Final answer
    x = 196,949.10

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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.