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Finding the Fourth Proportional to 181,354.80, 250,253.72 and 100,777.22

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Solution

The fourth proportional to 181,354.80, 250,253.72 and 100,777.22 is: 139,063.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,354.80 : 250,253.72 = 100,777.22 : x
  2. Step 2: Convert to fraction form
    181,354.80/250,253.72 = 100,777.22/x
  3. Step 3: Cross multiply
    181,354.80x = 250,253.72 × 100,777.22
  4. Step 4: Simplify right side
    181,354.80x = 25,219,874,196.26
  5. Step 5: Solve for x
    x = 25,219,874,196.26/181,354.80
  6. Step 6: Final answer
    x = 139,063.73

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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.