Home / 182,743.68-274,046.40-77,612.16

Finding the Fourth Proportional to 182,743.68, 274,046.40 and 77,612.16

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Solution

The fourth proportional to 182,743.68, 274,046.40 and 77,612.16 is: 116,388.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,743.68 : 274,046.40 = 77,612.16 : x
  2. Step 2: Convert to fraction form
    182,743.68/274,046.40 = 77,612.16/x
  3. Step 3: Cross multiply
    182,743.68x = 274,046.40 × 77,612.16
  4. Step 4: Simplify right side
    182,743.68x = 21,269,333,044.22
  5. Step 5: Solve for x
    x = 21,269,333,044.22/182,743.68
  6. Step 6: Final answer
    x = 116,388.88

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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.