Home / 131,567.22-181,645.79-91,266.89

Finding the Fourth Proportional to 131,567.22, 181,645.79 and 91,266.89

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Solution

The fourth proportional to 131,567.22, 181,645.79 and 91,266.89 is: 126,005.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,567.22 : 181,645.79 = 91,266.89 : x
  2. Step 2: Convert to fraction form
    131,567.22/181,645.79 = 91,266.89/x
  3. Step 3: Cross multiply
    131,567.22x = 181,645.79 × 91,266.89
  4. Step 4: Simplify right side
    131,567.22x = 16,578,244,970.33
  5. Step 5: Solve for x
    x = 16,578,244,970.33/131,567.22
  6. Step 6: Final answer
    x = 126,005.89

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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.