Home / 158,890.35-219,272.85-89,974.32

Finding the Fourth Proportional to 158,890.35, 219,272.85 and 89,974.32

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Solution

The fourth proportional to 158,890.35, 219,272.85 and 89,974.32 is: 124,166.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,890.35 : 219,272.85 = 89,974.32 : x
  2. Step 2: Convert to fraction form
    158,890.35/219,272.85 = 89,974.32/x
  3. Step 3: Cross multiply
    158,890.35x = 219,272.85 × 89,974.32
  4. Step 4: Simplify right side
    158,890.35x = 19,728,925,573.21
  5. Step 5: Solve for x
    x = 19,728,925,573.21/158,890.35
  6. Step 6: Final answer
    x = 124,166.92

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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.