Home / 99,461.36-149,102.09-36,266.71

Finding the Fourth Proportional to 99,461.36, 149,102.09 and 36,266.71

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Solution

The fourth proportional to 99,461.36, 149,102.09 and 36,266.71 is: 54,367.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,461.36 : 149,102.09 = 36,266.71 : x
  2. Step 2: Convert to fraction form
    99,461.36/149,102.09 = 36,266.71/x
  3. Step 3: Cross multiply
    99,461.36x = 149,102.09 × 36,266.71
  4. Step 4: Simplify right side
    99,461.36x = 5,407,441,468.21
  5. Step 5: Solve for x
    x = 5,407,441,468.21/99,461.36
  6. Step 6: Final answer
    x = 54,367.26

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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.