Home / 86,246.91-129,336.75-26,262.36

Finding the Fourth Proportional to 86,246.91, 129,336.75 and 26,262.36

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Solution

The fourth proportional to 86,246.91, 129,336.75 and 26,262.36 is: 39,383.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,246.91 : 129,336.75 = 26,262.36 : x
  2. Step 2: Convert to fraction form
    86,246.91/129,336.75 = 26,262.36/x
  3. Step 3: Cross multiply
    86,246.91x = 129,336.75 × 26,262.36
  4. Step 4: Simplify right side
    86,246.91x = 3,396,688,289.73
  5. Step 5: Solve for x
    x = 3,396,688,289.73/86,246.91
  6. Step 6: Final answer
    x = 39,383.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.