Home / 117,081.95-161,571.92-63,365.85

Finding the Fourth Proportional to 117,081.95, 161,571.92 and 63,365.85

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Solution

The fourth proportional to 117,081.95, 161,571.92 and 63,365.85 is: 87,444.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,081.95 : 161,571.92 = 63,365.85 : x
  2. Step 2: Convert to fraction form
    117,081.95/161,571.92 = 63,365.85/x
  3. Step 3: Cross multiply
    117,081.95x = 161,571.92 × 63,365.85
  4. Step 4: Simplify right side
    117,081.95x = 10,238,141,730.10
  5. Step 5: Solve for x
    x = 10,238,141,730.10/117,081.95
  6. Step 6: Final answer
    x = 87,444.24

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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.