Home / 141,100.26-211,719.58-66,226.49

Finding the Fourth Proportional to 141,100.26, 211,719.58 and 66,226.49

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Solution

The fourth proportional to 141,100.26, 211,719.58 and 66,226.49 is: 99,372.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,100.26 : 211,719.58 = 66,226.49 : x
  2. Step 2: Convert to fraction form
    141,100.26/211,719.58 = 66,226.49/x
  3. Step 3: Cross multiply
    141,100.26x = 211,719.58 × 66,226.49
  4. Step 4: Simplify right side
    141,100.26x = 14,021,445,011.41
  5. Step 5: Solve for x
    x = 14,021,445,011.41/141,100.26
  6. Step 6: Final answer
    x = 99,372.21

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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.