Home / 99,841.41-149,722.83-40,655.66

Finding the Fourth Proportional to 99,841.41, 149,722.83 and 40,655.66

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Solution

The fourth proportional to 99,841.41, 149,722.83 and 40,655.66 is: 60,967.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,841.41 : 149,722.83 = 40,655.66 : x
  2. Step 2: Convert to fraction form
    99,841.41/149,722.83 = 40,655.66/x
  3. Step 3: Cross multiply
    99,841.41x = 149,722.83 × 40,655.66
  4. Step 4: Simplify right side
    99,841.41x = 6,087,079,722.10
  5. Step 5: Solve for x
    x = 6,087,079,722.10/99,841.41
  6. Step 6: Final answer
    x = 60,967.49

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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.