Home / 99,756.02-149,546.42-40,641.41

Finding the Fourth Proportional to 99,756.02, 149,546.42 and 40,641.41

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Solution

The fourth proportional to 99,756.02, 149,546.42 and 40,641.41 is: 60,926.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,756.02 : 149,546.42 = 40,641.41 : x
  2. Step 2: Convert to fraction form
    99,756.02/149,546.42 = 40,641.41/x
  3. Step 3: Cross multiply
    99,756.02x = 149,546.42 × 40,641.41
  4. Step 4: Simplify right side
    99,756.02x = 6,077,777,166.05
  5. Step 5: Solve for x
    x = 6,077,777,166.05/99,756.02
  6. Step 6: Final answer
    x = 60,926.42

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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.