Home / 181,726.09-272,440.08-81,856.33

Finding the Fourth Proportional to 181,726.09, 272,440.08 and 81,856.33

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Solution

The fourth proportional to 181,726.09, 272,440.08 and 81,856.33 is: 122,717.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,726.09 : 272,440.08 = 81,856.33 : x
  2. Step 2: Convert to fraction form
    181,726.09/272,440.08 = 81,856.33/x
  3. Step 3: Cross multiply
    181,726.09x = 272,440.08 × 81,856.33
  4. Step 4: Simplify right side
    181,726.09x = 22,300,945,093.71
  5. Step 5: Solve for x
    x = 22,300,945,093.71/181,726.09
  6. Step 6: Final answer
    x = 122,717.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.