Home / 211,086.15-316,627.24-91,227.84

Finding the Fourth Proportional to 211,086.15, 316,627.24 and 91,227.84

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Solution

The fourth proportional to 211,086.15, 316,627.24 and 91,227.84 is: 136,840.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,086.15 : 316,627.24 = 91,227.84 : x
  2. Step 2: Convert to fraction form
    211,086.15/316,627.24 = 91,227.84/x
  3. Step 3: Cross multiply
    211,086.15x = 316,627.24 × 91,227.84
  4. Step 4: Simplify right side
    211,086.15x = 28,885,219,525.79
  5. Step 5: Solve for x
    x = 28,885,219,525.79/211,086.15
  6. Step 6: Final answer
    x = 136,840.90

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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.