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Finding the Fourth Proportional to 181,352.80, 250,250.96 and 100,775.22

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Solution

The fourth proportional to 181,352.80, 250,250.96 and 100,775.22 is: 139,060.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,352.80 : 250,250.96 = 100,775.22 : x
  2. Step 2: Convert to fraction form
    181,352.80/250,250.96 = 100,775.22/x
  3. Step 3: Cross multiply
    181,352.80x = 250,250.96 × 100,775.22
  4. Step 4: Simplify right side
    181,352.80x = 25,219,095,549.21
  5. Step 5: Solve for x
    x = 25,219,095,549.21/181,352.80
  6. Step 6: Final answer
    x = 139,060.97

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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.