Home / 149,118.46-205,715.66-88,654.80

Finding the Fourth Proportional to 149,118.46, 205,715.66 and 88,654.80

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Solution

The fourth proportional to 149,118.46, 205,715.66 and 88,654.80 is: 122,303.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,118.46 : 205,715.66 = 88,654.80 : x
  2. Step 2: Convert to fraction form
    149,118.46/205,715.66 = 88,654.80/x
  3. Step 3: Cross multiply
    149,118.46x = 205,715.66 × 88,654.80
  4. Step 4: Simplify right side
    149,118.46x = 18,237,680,694.17
  5. Step 5: Solve for x
    x = 18,237,680,694.17/149,118.46
  6. Step 6: Final answer
    x = 122,303.31

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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.