Home / 211,065.84-316,665-92,836.56

Finding the Fourth Proportional to 211,065.84, 316,665 and 92,836.56

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Solution

The fourth proportional to 211,065.84, 316,665 and 92,836.56 is: 139,283.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,065.84 : 316,665 = 92,836.56 : x
  2. Step 2: Convert to fraction form
    211,065.84/316,665 = 92,836.56/x
  3. Step 3: Cross multiply
    211,065.84x = 316,665 × 92,836.56
  4. Step 4: Simplify right side
    211,065.84x = 29,398,089,272.40
  5. Step 5: Solve for x
    x = 29,398,089,272.40/211,065.84
  6. Step 6: Final answer
    x = 139,283.98

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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.