Home / 238,169.69-328,673.35-129,274.03

Finding the Fourth Proportional to 238,169.69, 328,673.35 and 129,274.03

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Solution

The fourth proportional to 238,169.69, 328,673.35 and 129,274.03 is: 178,397.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,169.69 : 328,673.35 = 129,274.03 : x
  2. Step 2: Convert to fraction form
    238,169.69/328,673.35 = 129,274.03/x
  3. Step 3: Cross multiply
    238,169.69x = 328,673.35 × 129,274.03
  4. Step 4: Simplify right side
    238,169.69x = 42,488,928,508.10
  5. Step 5: Solve for x
    x = 42,488,928,508.10/238,169.69
  6. Step 6: Final answer
    x = 178,397.72

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1.5x scale

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.