Home / 131,632.25-181,652.49-74,283.71

Finding the Fourth Proportional to 131,632.25, 181,652.49 and 74,283.71

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Solution

The fourth proportional to 131,632.25, 181,652.49 and 74,283.71 is: 102,511.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,632.25 : 181,652.49 = 74,283.71 : x
  2. Step 2: Convert to fraction form
    131,632.25/181,652.49 = 74,283.71/x
  3. Step 3: Cross multiply
    131,632.25x = 181,652.49 × 74,283.71
  4. Step 4: Simplify right side
    131,632.25x = 13,493,819,979.68
  5. Step 5: Solve for x
    x = 13,493,819,979.68/131,632.25
  6. Step 6: Final answer
    x = 102,511.51

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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.