Home / 131,559.62-181,635.29-91,259.28

Finding the Fourth Proportional to 131,559.62, 181,635.29 and 91,259.28

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Solution

The fourth proportional to 131,559.62, 181,635.29 and 91,259.28 is: 125,995.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,559.62 : 181,635.29 = 91,259.28 : x
  2. Step 2: Convert to fraction form
    131,559.62/181,635.29 = 91,259.28/x
  3. Step 3: Cross multiply
    131,559.62x = 181,635.29 × 91,259.28
  4. Step 4: Simplify right side
    131,559.62x = 16,575,905,331.69
  5. Step 5: Solve for x
    x = 16,575,905,331.69/131,559.62
  6. Step 6: Final answer
    x = 125,995.39

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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.