Home / 140,278.11-193,455.59-109,655.25

Finding the Fourth Proportional to 140,278.11, 193,455.59 and 109,655.25

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Solution

The fourth proportional to 140,278.11, 193,455.59 and 109,655.25 is: 151,224.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,278.11 : 193,455.59 = 109,655.25 : x
  2. Step 2: Convert to fraction form
    140,278.11/193,455.59 = 109,655.25/x
  3. Step 3: Cross multiply
    140,278.11x = 193,455.59 × 109,655.25
  4. Step 4: Simplify right side
    140,278.11x = 21,213,420,537.07
  5. Step 5: Solve for x
    x = 21,213,420,537.07/140,278.11
  6. Step 6: Final answer
    x = 151,224.03

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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.