Home / 105,555.74-158,318.97-26,665.10

Finding the Fourth Proportional to 105,555.74, 158,318.97 and 26,665.10

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Solution

The fourth proportional to 105,555.74, 158,318.97 and 26,665.10 is: 39,993.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,555.74 : 158,318.97 = 26,665.10 : x
  2. Step 2: Convert to fraction form
    105,555.74/158,318.97 = 26,665.10/x
  3. Step 3: Cross multiply
    105,555.74x = 158,318.97 × 26,665.10
  4. Step 4: Simplify right side
    105,555.74x = 4,221,591,166.95
  5. Step 5: Solve for x
    x = 4,221,591,166.95/105,555.74
  6. Step 6: Final answer
    x = 39,993.95

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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.