Home / 150,279.00-207,383.53-81,368.13

Finding the Fourth Proportional to 150,279.00, 207,383.53 and 81,368.13

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Solution

The fourth proportional to 150,279.00, 207,383.53 and 81,368.13 is: 112,287.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,279.00 : 207,383.53 = 81,368.13 : x
  2. Step 2: Convert to fraction form
    150,279.00/207,383.53 = 81,368.13/x
  3. Step 3: Cross multiply
    150,279.00x = 207,383.53 × 81,368.13
  4. Step 4: Simplify right side
    150,279.00x = 16,874,408,991.98
  5. Step 5: Solve for x
    x = 16,874,408,991.98/150,279.00
  6. Step 6: Final answer
    x = 112,287.21

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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.