Home / 239,122.72-329,997.81-131,700.93

Finding the Fourth Proportional to 239,122.72, 329,997.81 and 131,700.93

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Solution

The fourth proportional to 239,122.72, 329,997.81 and 131,700.93 is: 181,751.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,122.72 : 329,997.81 = 131,700.93 : x
  2. Step 2: Convert to fraction form
    239,122.72/329,997.81 = 131,700.93/x
  3. Step 3: Cross multiply
    239,122.72x = 329,997.81 × 131,700.93
  4. Step 4: Simplify right side
    239,122.72x = 43,461,018,474.96
  5. Step 5: Solve for x
    x = 43,461,018,474.96/239,122.72
  6. Step 6: Final answer
    x = 181,751.94

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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.