Home / 248,003.16-342,271.10-140,561.66

Finding the Fourth Proportional to 248,003.16, 342,271.10 and 140,561.66

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Solution

The fourth proportional to 248,003.16, 342,271.10 and 140,561.66 is: 193,990.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,003.16 : 342,271.10 = 140,561.66 : x
  2. Step 2: Convert to fraction form
    248,003.16/342,271.10 = 140,561.66/x
  3. Step 3: Cross multiply
    248,003.16x = 342,271.10 × 140,561.66
  4. Step 4: Simplify right side
    248,003.16x = 48,110,193,986.03
  5. Step 5: Solve for x
    x = 48,110,193,986.03/248,003.16
  6. Step 6: Final answer
    x = 193,990.25

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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.