Home / 202,232.60-279,079.14-111,589.40

Finding the Fourth Proportional to 202,232.60, 279,079.14 and 111,589.40

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Solution

The fourth proportional to 202,232.60, 279,079.14 and 111,589.40 is: 153,992.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,232.60 : 279,079.14 = 111,589.40 : x
  2. Step 2: Convert to fraction form
    202,232.60/279,079.14 = 111,589.40/x
  3. Step 3: Cross multiply
    202,232.60x = 279,079.14 × 111,589.40
  4. Step 4: Simplify right side
    202,232.60x = 31,142,273,785.12
  5. Step 5: Solve for x
    x = 31,142,273,785.12/202,232.60
  6. Step 6: Final answer
    x = 153,992.35

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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.