Home / 161,834.03-242,582.61-90,652.31

Finding the Fourth Proportional to 161,834.03, 242,582.61 and 90,652.31

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Solution

The fourth proportional to 161,834.03, 242,582.61 and 90,652.31 is: 135,884.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,834.03 : 242,582.61 = 90,652.31 : x
  2. Step 2: Convert to fraction form
    161,834.03/242,582.61 = 90,652.31/x
  3. Step 3: Cross multiply
    161,834.03x = 242,582.61 × 90,652.31
  4. Step 4: Simplify right side
    161,834.03x = 21,990,673,962.33
  5. Step 5: Solve for x
    x = 21,990,673,962.33/161,834.03
  6. Step 6: Final answer
    x = 135,884.12

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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.