Home / 231,121.10-346,089.75-159,945.18

Finding the Fourth Proportional to 231,121.10, 346,089.75 and 159,945.18

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Solution

The fourth proportional to 231,121.10, 346,089.75 and 159,945.18 is: 239,508.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,121.10 : 346,089.75 = 159,945.18 : x
  2. Step 2: Convert to fraction form
    231,121.10/346,089.75 = 159,945.18/x
  3. Step 3: Cross multiply
    231,121.10x = 346,089.75 × 159,945.18
  4. Step 4: Simplify right side
    231,121.10x = 55,355,387,359.91
  5. Step 5: Solve for x
    x = 55,355,387,359.91/231,121.10
  6. Step 6: Final answer
    x = 239,508.16

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1.5x scale

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.