Home / 141,017.76-211,464.38-66,077.38

Finding the Fourth Proportional to 141,017.76, 211,464.38 and 66,077.38

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Solution

The fourth proportional to 141,017.76, 211,464.38 and 66,077.38 is: 99,086.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,017.76 : 211,464.38 = 66,077.38 : x
  2. Step 2: Convert to fraction form
    141,017.76/211,464.38 = 66,077.38/x
  3. Step 3: Cross multiply
    141,017.76x = 211,464.38 × 66,077.38
  4. Step 4: Simplify right side
    141,017.76x = 13,973,012,193.72
  5. Step 5: Solve for x
    x = 13,973,012,193.72/141,017.76
  6. Step 6: Final answer
    x = 99,086.90

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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.