Home / 181,320.64-250,141.98-120,832.36

Finding the Fourth Proportional to 181,320.64, 250,141.98 and 120,832.36

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Solution

The fourth proportional to 181,320.64, 250,141.98 and 120,832.36 is: 166,695.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,320.64 : 250,141.98 = 120,832.36 : x
  2. Step 2: Convert to fraction form
    181,320.64/250,141.98 = 120,832.36/x
  3. Step 3: Cross multiply
    181,320.64x = 250,141.98 × 120,832.36
  4. Step 4: Simplify right side
    181,320.64x = 30,225,245,778.47
  5. Step 5: Solve for x
    x = 30,225,245,778.47/181,320.64
  6. Step 6: Final answer
    x = 166,695.01

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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.