Home / 161,834.04-242,582.60-90,652.32

Finding the Fourth Proportional to 161,834.04, 242,582.60 and 90,652.32

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Solution

The fourth proportional to 161,834.04, 242,582.60 and 90,652.32 is: 135,884.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,834.04 : 242,582.60 = 90,652.32 : x
  2. Step 2: Convert to fraction form
    161,834.04/242,582.60 = 90,652.32/x
  3. Step 3: Cross multiply
    161,834.04x = 242,582.60 × 90,652.32
  4. Step 4: Simplify right side
    161,834.04x = 21,990,675,481.63
  5. Step 5: Solve for x
    x = 21,990,675,481.63/161,834.04
  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.