Home / 149,961.10-224,905.65-86,644.30

Finding the Fourth Proportional to 149,961.10, 224,905.65 and 86,644.30

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Solution

The fourth proportional to 149,961.10, 224,905.65 and 86,644.30 is: 129,945.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,961.10 : 224,905.65 = 86,644.30 : x
  2. Step 2: Convert to fraction form
    149,961.10/224,905.65 = 86,644.30/x
  3. Step 3: Cross multiply
    149,961.10x = 224,905.65 × 86,644.30
  4. Step 4: Simplify right side
    149,961.10x = 19,486,792,610.30
  5. Step 5: Solve for x
    x = 19,486,792,610.30/149,961.10
  6. Step 6: Final answer
    x = 129,945.65

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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.