Home / 158,927.81-219,324.38-87,314.49

Finding the Fourth Proportional to 158,927.81, 219,324.38 and 87,314.49

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Solution

The fourth proportional to 158,927.81, 219,324.38 and 87,314.49 is: 120,496.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,927.81 : 219,324.38 = 87,314.49 : x
  2. Step 2: Convert to fraction form
    158,927.81/219,324.38 = 87,314.49/x
  3. Step 3: Cross multiply
    158,927.81x = 219,324.38 × 87,314.49
  4. Step 4: Simplify right side
    158,927.81x = 19,150,195,947.69
  5. Step 5: Solve for x
    x = 19,150,195,947.69/158,927.81
  6. Step 6: Final answer
    x = 120,496.20

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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.