Home / 211,271.64-316,691.19-92,920.92

Finding the Fourth Proportional to 211,271.64, 316,691.19 and 92,920.92

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Solution

The fourth proportional to 211,271.64, 316,691.19 and 92,920.92 is: 139,286.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,271.64 : 316,691.19 = 92,920.92 : x
  2. Step 2: Convert to fraction form
    211,271.64/316,691.19 = 92,920.92/x
  3. Step 3: Cross multiply
    211,271.64x = 316,691.19 × 92,920.92
  4. Step 4: Simplify right side
    211,271.64x = 29,427,236,730.69
  5. Step 5: Solve for x
    x = 29,427,236,730.69/211,271.64
  6. Step 6: Final answer
    x = 139,286.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.