Home / 238,195.40-328,710.20-130,772.35

Finding the Fourth Proportional to 238,195.40, 328,710.20 and 130,772.35

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Solution

The fourth proportional to 238,195.40, 328,710.20 and 130,772.35 is: 180,466.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,195.40 : 328,710.20 = 130,772.35 : x
  2. Step 2: Convert to fraction form
    238,195.40/328,710.20 = 130,772.35/x
  3. Step 3: Cross multiply
    238,195.40x = 328,710.20 × 130,772.35
  4. Step 4: Simplify right side
    238,195.40x = 42,986,204,891.09
  5. Step 5: Solve for x
    x = 42,986,204,891.09/238,195.40
  6. Step 6: Final answer
    x = 180,466.14

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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.