Home / 112,983.73-169,300.54-71,343.25

Finding the Fourth Proportional to 112,983.73, 169,300.54 and 71,343.25

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Solution

The fourth proportional to 112,983.73, 169,300.54 and 71,343.25 is: 106,904.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,983.73 : 169,300.54 = 71,343.25 : x
  2. Step 2: Convert to fraction form
    112,983.73/169,300.54 = 71,343.25/x
  3. Step 3: Cross multiply
    112,983.73x = 169,300.54 × 71,343.25
  4. Step 4: Simplify right side
    112,983.73x = 12,078,450,750.36
  5. Step 5: Solve for x
    x = 12,078,450,750.36/112,983.73
  6. Step 6: Final answer
    x = 106,904.34

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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.