Home / 181,382.83-250,316.76-100,811.68

Finding the Fourth Proportional to 181,382.83, 250,316.76 and 100,811.68

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Solution

The fourth proportional to 181,382.83, 250,316.76 and 100,811.68 is: 139,124.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,382.83 : 250,316.76 = 100,811.68 : x
  2. Step 2: Convert to fraction form
    181,382.83/250,316.76 = 100,811.68/x
  3. Step 3: Cross multiply
    181,382.83x = 250,316.76 × 100,811.68
  4. Step 4: Simplify right side
    181,382.83x = 25,234,853,107.76
  5. Step 5: Solve for x
    x = 25,234,853,107.76/181,382.83
  6. Step 6: Final answer
    x = 139,124.82

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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.