Home / 141,197.46-211,734-66,338.88

Finding the Fourth Proportional to 141,197.46, 211,734 and 66,338.88

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Solution

The fourth proportional to 141,197.46, 211,734 and 66,338.88 is: 99,479.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,197.46 : 211,734 = 66,338.88 : x
  2. Step 2: Convert to fraction form
    141,197.46/211,734 = 66,338.88/x
  3. Step 3: Cross multiply
    141,197.46x = 211,734 × 66,338.88
  4. Step 4: Simplify right side
    141,197.46x = 14,046,196,417.92
  5. Step 5: Solve for x
    x = 14,046,196,417.92/141,197.46
  6. Step 6: Final answer
    x = 99,479.10

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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.