Home / 248,414.16-342,766.40-140,988.72

Finding the Fourth Proportional to 248,414.16, 342,766.40 and 140,988.72

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Solution

The fourth proportional to 248,414.16, 342,766.40 and 140,988.72 is: 194,538.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,414.16 : 342,766.40 = 140,988.72 : x
  2. Step 2: Convert to fraction form
    248,414.16/342,766.40 = 140,988.72/x
  3. Step 3: Cross multiply
    248,414.16x = 342,766.40 × 140,988.72
  4. Step 4: Simplify right side
    248,414.16x = 48,326,195,995.01
  5. Step 5: Solve for x
    x = 48,326,195,995.01/248,414.16
  6. Step 6: Final answer
    x = 194,538.81

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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.