Home / 174,211.56-261,367.02-85,491.72

Finding the Fourth Proportional to 174,211.56, 261,367.02 and 85,491.72

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Solution

The fourth proportional to 174,211.56, 261,367.02 and 85,491.72 is: 128,261.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,211.56 : 261,367.02 = 85,491.72 : x
  2. Step 2: Convert to fraction form
    174,211.56/261,367.02 = 85,491.72/x
  3. Step 3: Cross multiply
    174,211.56x = 261,367.02 × 85,491.72
  4. Step 4: Simplify right side
    174,211.56x = 22,344,716,091.07
  5. Step 5: Solve for x
    x = 22,344,716,091.07/174,211.56
  6. Step 6: Final answer
    x = 128,261.96

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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.