Home / 202,719.23-279,740.49-112,069.77

Finding the Fourth Proportional to 202,719.23, 279,740.49 and 112,069.77

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Solution

The fourth proportional to 202,719.23, 279,740.49 and 112,069.77 is: 154,649.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,719.23 : 279,740.49 = 112,069.77 : x
  2. Step 2: Convert to fraction form
    202,719.23/279,740.49 = 112,069.77/x
  3. Step 3: Cross multiply
    202,719.23x = 279,740.49 × 112,069.77
  4. Step 4: Simplify right side
    202,719.23x = 31,350,450,904.70
  5. Step 5: Solve for x
    x = 31,350,450,904.70/202,719.23
  6. Step 6: Final answer
    x = 154,649.62

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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.