Home / 141,005.77-211,446.38-66,065.49

Finding the Fourth Proportional to 141,005.77, 211,446.38 and 66,065.49

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Solution

The fourth proportional to 141,005.77, 211,446.38 and 66,065.49 is: 99,069.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,005.77 : 211,446.38 = 66,065.49 : x
  2. Step 2: Convert to fraction form
    141,005.77/211,446.38 = 66,065.49/x
  3. Step 3: Cross multiply
    141,005.77x = 211,446.38 × 66,065.49
  4. Step 4: Simplify right side
    141,005.77x = 13,969,308,868.59
  5. Step 5: Solve for x
    x = 13,969,308,868.59/141,005.77
  6. Step 6: Final answer
    x = 99,069.06

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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.