Home / 149,229.16-205,930.02-82,156.84

Finding the Fourth Proportional to 149,229.16, 205,930.02 and 82,156.84

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Solution

The fourth proportional to 149,229.16, 205,930.02 and 82,156.84 is: 113,373.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,229.16 : 205,930.02 = 82,156.84 : x
  2. Step 2: Convert to fraction form
    149,229.16/205,930.02 = 82,156.84/x
  3. Step 3: Cross multiply
    149,229.16x = 205,930.02 × 82,156.84
  4. Step 4: Simplify right side
    149,229.16x = 16,918,559,704.34
  5. Step 5: Solve for x
    x = 16,918,559,704.34/149,229.16
  6. Step 6: Final answer
    x = 113,373.01

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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.