Home / 131,606.69-181,616.69-71,177.36

Finding the Fourth Proportional to 131,606.69, 181,616.69 and 71,177.36

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Solution

The fourth proportional to 131,606.69, 181,616.69 and 71,177.36 is: 98,224.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,606.69 : 181,616.69 = 71,177.36 : x
  2. Step 2: Convert to fraction form
    131,606.69/181,616.69 = 71,177.36/x
  3. Step 3: Cross multiply
    131,606.69x = 181,616.69 × 71,177.36
  4. Step 4: Simplify right side
    131,606.69x = 12,926,995,262.17
  5. Step 5: Solve for x
    x = 12,926,995,262.17/131,606.69
  6. Step 6: Final answer
    x = 98,224.46

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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.