Home / 161,383.03-222,703.95-87,793.15

Finding the Fourth Proportional to 161,383.03, 222,703.95 and 87,793.15

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Solution

The fourth proportional to 161,383.03, 222,703.95 and 87,793.15 is: 121,152.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,383.03 : 222,703.95 = 87,793.15 : x
  2. Step 2: Convert to fraction form
    161,383.03/222,703.95 = 87,793.15/x
  3. Step 3: Cross multiply
    161,383.03x = 222,703.95 × 87,793.15
  4. Step 4: Simplify right side
    161,383.03x = 19,551,880,174.42
  5. Step 5: Solve for x
    x = 19,551,880,174.42/161,383.03
  6. Step 6: Final answer
    x = 121,152.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.