Home / 158,919.48-219,298.05-87,302.52

Finding the Fourth Proportional to 158,919.48, 219,298.05 and 87,302.52

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Solution

The fourth proportional to 158,919.48, 219,298.05 and 87,302.52 is: 120,471.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,919.48 : 219,298.05 = 87,302.52 : x
  2. Step 2: Convert to fraction form
    158,919.48/219,298.05 = 87,302.52/x
  3. Step 3: Cross multiply
    158,919.48x = 219,298.05 × 87,302.52
  4. Step 4: Simplify right side
    158,919.48x = 19,145,272,396.09
  5. Step 5: Solve for x
    x = 19,145,272,396.09/158,919.48
  6. Step 6: Final answer
    x = 120,471.53

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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.