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Finding the Fourth Proportional to 140,811.01, 211,229.50 and 46,041.68

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Solution

The fourth proportional to 140,811.01, 211,229.50 and 46,041.68 is: 69,066.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,811.01 : 211,229.50 = 46,041.68 : x
  2. Step 2: Convert to fraction form
    140,811.01/211,229.50 = 46,041.68/x
  3. Step 3: Cross multiply
    140,811.01x = 211,229.50 × 46,041.68
  4. Step 4: Simplify right side
    140,811.01x = 9,725,360,227.20
  5. Step 5: Solve for x
    x = 9,725,360,227.20/140,811.01
  6. Step 6: Final answer
    x = 69,066.76

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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.