Home / 141,277.76-211,537.20-74,579.12

Finding the Fourth Proportional to 141,277.76, 211,537.20 and 74,579.12

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Solution

The fourth proportional to 141,277.76, 211,537.20 and 74,579.12 is: 111,668.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,277.76 : 211,537.20 = 74,579.12 : x
  2. Step 2: Convert to fraction form
    141,277.76/211,537.20 = 74,579.12/x
  3. Step 3: Cross multiply
    141,277.76x = 211,537.20 × 74,579.12
  4. Step 4: Simplify right side
    141,277.76x = 15,776,258,223.26
  5. Step 5: Solve for x
    x = 15,776,258,223.26/141,277.76
  6. Step 6: Final answer
    x = 111,668.38

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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.