Home / 149,359.92-206,098.53-84,805.62

Finding the Fourth Proportional to 149,359.92, 206,098.53 and 84,805.62

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Solution

The fourth proportional to 149,359.92, 206,098.53 and 84,805.62 is: 117,021.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,359.92 : 206,098.53 = 84,805.62 : x
  2. Step 2: Convert to fraction form
    149,359.92/206,098.53 = 84,805.62/x
  3. Step 3: Cross multiply
    149,359.92x = 206,098.53 × 84,805.62
  4. Step 4: Simplify right side
    149,359.92x = 17,478,313,617.74
  5. Step 5: Solve for x
    x = 17,478,313,617.74/149,359.92
  6. Step 6: Final answer
    x = 117,021.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.