Home / 248,118.32-342,326.04-140,679.92

Finding the Fourth Proportional to 248,118.32, 342,326.04 and 140,679.92

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Solution

The fourth proportional to 248,118.32, 342,326.04 and 140,679.92 is: 194,094.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,118.32 : 342,326.04 = 140,679.92 : x
  2. Step 2: Convert to fraction form
    248,118.32/342,326.04 = 140,679.92/x
  3. Step 3: Cross multiply
    248,118.32x = 342,326.04 × 140,679.92
  4. Step 4: Simplify right side
    248,118.32x = 48,158,399,921.12
  5. Step 5: Solve for x
    x = 48,158,399,921.12/248,118.32
  6. Step 6: Final answer
    x = 194,094.49

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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.