Home / 158,865.98-219,236.62-87,247.52

Finding the Fourth Proportional to 158,865.98, 219,236.62 and 87,247.52

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Solution

The fourth proportional to 158,865.98, 219,236.62 and 87,247.52 is: 120,402.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,865.98 : 219,236.62 = 87,247.52 : x
  2. Step 2: Convert to fraction form
    158,865.98/219,236.62 = 87,247.52/x
  3. Step 3: Cross multiply
    158,865.98x = 219,236.62 × 87,247.52
  4. Step 4: Simplify right side
    158,865.98x = 19,127,851,388.18
  5. Step 5: Solve for x
    x = 19,127,851,388.18/158,865.98
  6. Step 6: Final answer
    x = 120,402.44

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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.