Home / 202,352.11-279,248.18-111,708.13

Finding the Fourth Proportional to 202,352.11, 279,248.18 and 111,708.13

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Solution

The fourth proportional to 202,352.11, 279,248.18 and 111,708.13 is: 154,158.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,352.11 : 279,248.18 = 111,708.13 : x
  2. Step 2: Convert to fraction form
    202,352.11/279,248.18 = 111,708.13/x
  3. Step 3: Cross multiply
    202,352.11x = 279,248.18 × 111,708.13
  4. Step 4: Simplify right side
    202,352.11x = 31,194,291,260.63
  5. Step 5: Solve for x
    x = 31,194,291,260.63/202,352.11
  6. Step 6: Final answer
    x = 154,158.47

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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.