Home / 231,063.21-318,861-126,283.02

Finding the Fourth Proportional to 231,063.21, 318,861 and 126,283.02

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Solution

The fourth proportional to 231,063.21, 318,861 and 126,283.02 is: 174,267.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,063.21 : 318,861 = 126,283.02 : x
  2. Step 2: Convert to fraction form
    231,063.21/318,861 = 126,283.02/x
  3. Step 3: Cross multiply
    231,063.21x = 318,861 × 126,283.02
  4. Step 4: Simplify right side
    231,063.21x = 40,266,730,040.22
  5. Step 5: Solve for x
    x = 40,266,730,040.22/231,063.21
  6. Step 6: Final answer
    x = 174,267.16

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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.