Home / 141,220.18-211,727.70-66,301.78

Finding the Fourth Proportional to 141,220.18, 211,727.70 and 66,301.78

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Solution

The fourth proportional to 141,220.18, 211,727.70 and 66,301.78 is: 99,404.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,220.18 : 211,727.70 = 66,301.78 : x
  2. Step 2: Convert to fraction form
    141,220.18/211,727.70 = 66,301.78/x
  3. Step 3: Cross multiply
    141,220.18x = 211,727.70 × 66,301.78
  4. Step 4: Simplify right side
    141,220.18x = 14,037,923,385.31
  5. Step 5: Solve for x
    x = 14,037,923,385.31/141,220.18
  6. Step 6: Final answer
    x = 99,404.51

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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.