Home / 248,001.15-342,268.33-140,559.65

Finding the Fourth Proportional to 248,001.15, 342,268.33 and 140,559.65

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Solution

The fourth proportional to 248,001.15, 342,268.33 and 140,559.65 is: 193,987.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,001.15 : 342,268.33 = 140,559.65 : x
  2. Step 2: Convert to fraction form
    248,001.15/342,268.33 = 140,559.65/x
  3. Step 3: Cross multiply
    248,001.15x = 342,268.33 × 140,559.65
  4. Step 4: Simplify right side
    248,001.15x = 48,109,116,670.88
  5. Step 5: Solve for x
    x = 48,109,116,670.88/248,001.15
  6. Step 6: Final answer
    x = 193,987.47

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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.