Home / 161,721.90-242,582.85-146,169.90

Finding the Fourth Proportional to 161,721.90, 242,582.85 and 146,169.90

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Solution

The fourth proportional to 161,721.90, 242,582.85 and 146,169.90 is: 219,254.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,721.90 : 242,582.85 = 146,169.90 : x
  2. Step 2: Convert to fraction form
    161,721.90/242,582.85 = 146,169.90/x
  3. Step 3: Cross multiply
    161,721.90x = 242,582.85 × 146,169.90
  4. Step 4: Simplify right side
    161,721.90x = 35,458,310,926.22
  5. Step 5: Solve for x
    x = 35,458,310,926.22/161,721.90
  6. Step 6: Final answer
    x = 219,254.85

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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.