Home / 112,983.66-169,497.36-42,912.18

Finding the Fourth Proportional to 112,983.66, 169,497.36 and 42,912.18

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Solution

The fourth proportional to 112,983.66, 169,497.36 and 42,912.18 is: 64,376.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,983.66 : 169,497.36 = 42,912.18 : x
  2. Step 2: Convert to fraction form
    112,983.66/169,497.36 = 42,912.18/x
  3. Step 3: Cross multiply
    112,983.66x = 169,497.36 × 42,912.18
  4. Step 4: Simplify right side
    112,983.66x = 7,273,501,221.84
  5. Step 5: Solve for x
    x = 7,273,501,221.84/112,983.66
  6. Step 6: Final answer
    x = 64,376.58

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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.