Home / 158,849.45-219,214.76-86,252.30

Finding the Fourth Proportional to 158,849.45, 219,214.76 and 86,252.30

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Solution

The fourth proportional to 158,849.45, 219,214.76 and 86,252.30 is: 119,029.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,849.45 : 219,214.76 = 86,252.30 : x
  2. Step 2: Convert to fraction form
    158,849.45/219,214.76 = 86,252.30/x
  3. Step 3: Cross multiply
    158,849.45x = 219,214.76 × 86,252.30
  4. Step 4: Simplify right side
    158,849.45x = 18,907,778,007.62
  5. Step 5: Solve for x
    x = 18,907,778,007.62/158,849.45
  6. Step 6: Final answer
    x = 119,029.54

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1.5x scale

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.