Home / 150,684.94-207,910.29-90,244.36

Finding the Fourth Proportional to 150,684.94, 207,910.29 and 90,244.36

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Solution

The fourth proportional to 150,684.94, 207,910.29 and 90,244.36 is: 124,516.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,684.94 : 207,910.29 = 90,244.36 : x
  2. Step 2: Convert to fraction form
    150,684.94/207,910.29 = 90,244.36/x
  3. Step 3: Cross multiply
    150,684.94x = 207,910.29 × 90,244.36
  4. Step 4: Simplify right side
    150,684.94x = 18,762,731,058.46
  5. Step 5: Solve for x
    x = 18,762,731,058.46/150,684.94
  6. Step 6: Final answer
    x = 124,516.30

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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.