Home / 161,715.40-242,573.10-146,163.40

Finding the Fourth Proportional to 161,715.40, 242,573.10 and 146,163.40

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Solution

The fourth proportional to 161,715.40, 242,573.10 and 146,163.40 is: 219,245.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,715.40 : 242,573.10 = 146,163.40 : x
  2. Step 2: Convert to fraction form
    161,715.40/242,573.10 = 146,163.40/x
  3. Step 3: Cross multiply
    161,715.40x = 242,573.10 × 146,163.40
  4. Step 4: Simplify right side
    161,715.40x = 35,455,309,044.54
  5. Step 5: Solve for x
    x = 35,455,309,044.54/161,715.40
  6. Step 6: Final answer
    x = 219,245.10

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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.