Home / 161,579.57-242,244.47-81,576.36

Finding the Fourth Proportional to 161,579.57, 242,244.47 and 81,576.36

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Solution

The fourth proportional to 161,579.57, 242,244.47 and 81,576.36 is: 122,301.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,579.57 : 242,244.47 = 81,576.36 : x
  2. Step 2: Convert to fraction form
    161,579.57/242,244.47 = 81,576.36/x
  3. Step 3: Cross multiply
    161,579.57x = 242,244.47 × 81,576.36
  4. Step 4: Simplify right side
    161,579.57x = 19,761,421,684.85
  5. Step 5: Solve for x
    x = 19,761,421,684.85/161,579.57
  6. Step 6: Final answer
    x = 122,301.49

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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.