Home / 202,356.12-279,253.70-111,712.14

Finding the Fourth Proportional to 202,356.12, 279,253.70 and 111,712.14

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Solution

The fourth proportional to 202,356.12, 279,253.70 and 111,712.14 is: 154,164.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,356.12 : 279,253.70 = 111,712.14 : x
  2. Step 2: Convert to fraction form
    202,356.12/279,253.70 = 111,712.14/x
  3. Step 3: Cross multiply
    202,356.12x = 279,253.70 × 111,712.14
  4. Step 4: Simplify right side
    202,356.12x = 31,196,028,429.92
  5. Step 5: Solve for x
    x = 31,196,028,429.92/202,356.12
  6. Step 6: Final answer
    x = 154,164.00

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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.