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Finding the Fourth Proportional to 141,062.58, 211,607.51 and 41,220.50

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Solution

The fourth proportional to 141,062.58, 211,607.51 and 41,220.50 is: 61,834.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,062.58 : 211,607.51 = 41,220.50 : x
  2. Step 2: Convert to fraction form
    141,062.58/211,607.51 = 41,220.50/x
  3. Step 3: Cross multiply
    141,062.58x = 211,607.51 × 41,220.50
  4. Step 4: Simplify right side
    141,062.58x = 8,722,566,101.81
  5. Step 5: Solve for x
    x = 8,722,566,101.81/141,062.58
  6. Step 6: Final answer
    x = 61,834.73

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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.