Home / 238,071.12-328,537.21-130,642.94

Finding the Fourth Proportional to 238,071.12, 328,537.21 and 130,642.94

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Solution

The fourth proportional to 238,071.12, 328,537.21 and 130,642.94 is: 180,286.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,071.12 : 328,537.21 = 130,642.94 : x
  2. Step 2: Convert to fraction form
    238,071.12/328,537.21 = 130,642.94/x
  3. Step 3: Cross multiply
    238,071.12x = 328,537.21 × 130,642.94
  4. Step 4: Simplify right side
    238,071.12x = 42,921,067,013.80
  5. Step 5: Solve for x
    x = 42,921,067,013.80/238,071.12
  6. Step 6: Final answer
    x = 180,286.74

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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.