Home / 211,677.21-317,387.03-89,954.26

Finding the Fourth Proportional to 211,677.21, 317,387.03 and 89,954.26

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Solution

The fourth proportional to 211,677.21, 317,387.03 and 89,954.26 is: 134,876.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,677.21 : 317,387.03 = 89,954.26 : x
  2. Step 2: Convert to fraction form
    211,677.21/317,387.03 = 89,954.26/x
  3. Step 3: Cross multiply
    211,677.21x = 317,387.03 × 89,954.26
  4. Step 4: Simplify right side
    211,677.21x = 28,550,314,174.01
  5. Step 5: Solve for x
    x = 28,550,314,174.01/211,677.21
  6. Step 6: Final answer
    x = 134,876.66

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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.