Home / 131,204.95-181,057.62-77,507.22

Finding the Fourth Proportional to 131,204.95, 181,057.62 and 77,507.22

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Solution

The fourth proportional to 131,204.95, 181,057.62 and 77,507.22 is: 106,956.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,204.95 : 181,057.62 = 77,507.22 : x
  2. Step 2: Convert to fraction form
    131,204.95/181,057.62 = 77,507.22/x
  3. Step 3: Cross multiply
    131,204.95x = 181,057.62 × 77,507.22
  4. Step 4: Simplify right side
    131,204.95x = 14,033,272,786.02
  5. Step 5: Solve for x
    x = 14,033,272,786.02/131,204.95
  6. Step 6: Final answer
    x = 106,956.89

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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.