Home / 202,325.12-279,208.68-111,681.11

Finding the Fourth Proportional to 202,325.12, 279,208.68 and 111,681.11

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Solution

The fourth proportional to 202,325.12, 279,208.68 and 111,681.11 is: 154,119.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,325.12 : 279,208.68 = 111,681.11 : x
  2. Step 2: Convert to fraction form
    202,325.12/279,208.68 = 111,681.11/x
  3. Step 3: Cross multiply
    202,325.12x = 279,208.68 × 111,681.11
  4. Step 4: Simplify right side
    202,325.12x = 31,182,335,304.03
  5. Step 5: Solve for x
    x = 31,182,335,304.03/202,325.12
  6. Step 6: Final answer
    x = 154,119.94

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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.