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Finding the Fourth Proportional to 99,750.34, 149,649.90 and 33,190.30

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Solution

The fourth proportional to 99,750.34, 149,649.90 and 33,190.30 is: 49,793.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,750.34 : 149,649.90 = 33,190.30 : x
  2. Step 2: Convert to fraction form
    99,750.34/149,649.90 = 33,190.30/x
  3. Step 3: Cross multiply
    99,750.34x = 149,649.90 × 33,190.30
  4. Step 4: Simplify right side
    99,750.34x = 4,966,925,075.97
  5. Step 5: Solve for x
    x = 4,966,925,075.97/99,750.34
  6. Step 6: Final answer
    x = 49,793.57

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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.