Home / 117,272.79-161,834.63-63,557.37

Finding the Fourth Proportional to 117,272.79, 161,834.63 and 63,557.37

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Solution

The fourth proportional to 117,272.79, 161,834.63 and 63,557.37 is: 87,708.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,272.79 : 161,834.63 = 63,557.37 : x
  2. Step 2: Convert to fraction form
    117,272.79/161,834.63 = 63,557.37/x
  3. Step 3: Cross multiply
    117,272.79x = 161,834.63 × 63,557.37
  4. Step 4: Simplify right side
    117,272.79x = 10,285,783,139.94
  5. Step 5: Solve for x
    x = 10,285,783,139.94/117,272.79
  6. Step 6: Final answer
    x = 87,708.18

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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.