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Finding the Fourth Proportional to 181,720.64, 250,777.32 and 101,149.04

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Solution

The fourth proportional to 181,720.64, 250,777.32 and 101,149.04 is: 139,587.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,720.64 : 250,777.32 = 101,149.04 : x
  2. Step 2: Convert to fraction form
    181,720.64/250,777.32 = 101,149.04/x
  3. Step 3: Cross multiply
    181,720.64x = 250,777.32 × 101,149.04
  4. Step 4: Simplify right side
    181,720.64x = 25,365,885,171.77
  5. Step 5: Solve for x
    x = 25,365,885,171.77/181,720.64
  6. Step 6: Final answer
    x = 139,587.25

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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.