Home / 248,386.74-342,780.21-140,972.82

Finding the Fourth Proportional to 248,386.74, 342,780.21 and 140,972.82

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Solution

The fourth proportional to 248,386.74, 342,780.21 and 140,972.82 is: 194,546.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,386.74 : 342,780.21 = 140,972.82 : x
  2. Step 2: Convert to fraction form
    248,386.74/342,780.21 = 140,972.82/x
  3. Step 3: Cross multiply
    248,386.74x = 342,780.21 × 140,972.82
  4. Step 4: Simplify right side
    248,386.74x = 48,322,692,843.89
  5. Step 5: Solve for x
    x = 48,322,692,843.89/248,386.74
  6. Step 6: Final answer
    x = 194,546.19

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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.