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Finding the Fourth Proportional to 150,000.22, 207,041.13 and 85,503.41

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Solution

The fourth proportional to 150,000.22, 207,041.13 and 85,503.41 is: 118,017.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,000.22 : 207,041.13 = 85,503.41 : x
  2. Step 2: Convert to fraction form
    150,000.22/207,041.13 = 85,503.41/x
  3. Step 3: Cross multiply
    150,000.22x = 207,041.13 × 85,503.41
  4. Step 4: Simplify right side
    150,000.22x = 17,702,723,560.69
  5. Step 5: Solve for x
    x = 17,702,723,560.69/150,000.22
  6. Step 6: Final answer
    x = 118,017.98

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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.