Home / 141,039.84-211,456.08-67,219.68

Finding the Fourth Proportional to 141,039.84, 211,456.08 and 67,219.68

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Solution

The fourth proportional to 141,039.84, 211,456.08 and 67,219.68 is: 100,780.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,039.84 : 211,456.08 = 67,219.68 : x
  2. Step 2: Convert to fraction form
    141,039.84/211,456.08 = 67,219.68/x
  3. Step 3: Cross multiply
    141,039.84x = 211,456.08 × 67,219.68
  4. Step 4: Simplify right side
    141,039.84x = 14,214,010,031.65
  5. Step 5: Solve for x
    x = 14,214,010,031.65/141,039.84
  6. Step 6: Final answer
    x = 100,780.11

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1.5x scale

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.