Home / 202,799.45-279,858.11-112,153.01

Finding the Fourth Proportional to 202,799.45, 279,858.11 and 112,153.01

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Solution

The fourth proportional to 202,799.45, 279,858.11 and 112,153.01 is: 154,768.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,799.45 : 279,858.11 = 112,153.01 : x
  2. Step 2: Convert to fraction form
    202,799.45/279,858.11 = 112,153.01/x
  3. Step 3: Cross multiply
    202,799.45x = 279,858.11 × 112,153.01
  4. Step 4: Simplify right side
    202,799.45x = 31,386,927,449.36
  5. Step 5: Solve for x
    x = 31,386,927,449.36/202,799.45
  6. Step 6: Final answer
    x = 154,768.30

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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.