Home / 211,913.46-292,517.37-140,316.57

Finding the Fourth Proportional to 211,913.46, 292,517.37 and 140,316.57

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Solution

The fourth proportional to 211,913.46, 292,517.37 and 140,316.57 is: 193,687.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,913.46 : 292,517.37 = 140,316.57 : x
  2. Step 2: Convert to fraction form
    211,913.46/292,517.37 = 140,316.57/x
  3. Step 3: Cross multiply
    211,913.46x = 292,517.37 × 140,316.57
  4. Step 4: Simplify right side
    211,913.46x = 41,045,034,023.82
  5. Step 5: Solve for x
    x = 41,045,034,023.82/211,913.46
  6. Step 6: Final answer
    x = 193,687.72

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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.