Home / 202,811.24-279,854.90-112,154.86

Finding the Fourth Proportional to 202,811.24, 279,854.90 and 112,154.86

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Solution

The fourth proportional to 202,811.24, 279,854.90 and 112,154.86 is: 154,760.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,811.24 : 279,854.90 = 112,154.86 : x
  2. Step 2: Convert to fraction form
    202,811.24/279,854.90 = 112,154.86/x
  3. Step 3: Cross multiply
    202,811.24x = 279,854.90 × 112,154.86
  4. Step 4: Simplify right side
    202,811.24x = 31,387,087,339.44
  5. Step 5: Solve for x
    x = 31,387,087,339.44/202,811.24
  6. Step 6: Final answer
    x = 154,760.10

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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.