Home / 161,747.40-242,621.10-147,750.60

Finding the Fourth Proportional to 161,747.40, 242,621.10 and 147,750.60

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Solution

The fourth proportional to 161,747.40, 242,621.10 and 147,750.60 is: 221,625.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,747.40 : 242,621.10 = 147,750.60 : x
  2. Step 2: Convert to fraction form
    161,747.40/242,621.10 = 147,750.60/x
  3. Step 3: Cross multiply
    161,747.40x = 242,621.10 × 147,750.60
  4. Step 4: Simplify right side
    161,747.40x = 35,847,413,097.66
  5. Step 5: Solve for x
    x = 35,847,413,097.66/161,747.40
  6. Step 6: Final answer
    x = 221,625.90

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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.