Home / 149,225.21-223,697.10-74,274.50

Finding the Fourth Proportional to 149,225.21, 223,697.10 and 74,274.50

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Solution

The fourth proportional to 149,225.21, 223,697.10 and 74,274.50 is: 111,341.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,225.21 : 223,697.10 = 74,274.50 : x
  2. Step 2: Convert to fraction form
    149,225.21/223,697.10 = 74,274.50/x
  3. Step 3: Cross multiply
    149,225.21x = 223,697.10 × 74,274.50
  4. Step 4: Simplify right side
    149,225.21x = 16,614,990,253.95
  5. Step 5: Solve for x
    x = 16,614,990,253.95/149,225.21
  6. Step 6: Final answer
    x = 111,341.71

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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.