Home / 150,424.21-207,588.08-82,436.66

Finding the Fourth Proportional to 150,424.21, 207,588.08 and 82,436.66

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Solution

The fourth proportional to 150,424.21, 207,588.08 and 82,436.66 is: 113,764.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,424.21 : 207,588.08 = 82,436.66 : x
  2. Step 2: Convert to fraction form
    150,424.21/207,588.08 = 82,436.66/x
  3. Step 3: Cross multiply
    150,424.21x = 207,588.08 × 82,436.66
  4. Step 4: Simplify right side
    150,424.21x = 17,112,866,520.89
  5. Step 5: Solve for x
    x = 17,112,866,520.89/150,424.21
  6. Step 6: Final answer
    x = 113,764.05

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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.