Home / 252,690.03-379,009.07-84,192.16

Finding the Fourth Proportional to 252,690.03, 379,009.07 and 84,192.16

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Solution

The fourth proportional to 252,690.03, 379,009.07 and 84,192.16 is: 126,279.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,690.03 : 379,009.07 = 84,192.16 : x
  2. Step 2: Convert to fraction form
    252,690.03/379,009.07 = 84,192.16/x
  3. Step 3: Cross multiply
    252,690.03x = 379,009.07 × 84,192.16
  4. Step 4: Simplify right side
    252,690.03x = 31,909,591,315.37
  5. Step 5: Solve for x
    x = 31,909,591,315.37/252,690.03
  6. Step 6: Final answer
    x = 126,279.58

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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.