Home / 105,664.05-158,505.87-38,212.95

Finding the Fourth Proportional to 105,664.05, 158,505.87 and 38,212.95

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Solution

The fourth proportional to 105,664.05, 158,505.87 and 38,212.95 is: 57,322.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,664.05 : 158,505.87 = 38,212.95 : x
  2. Step 2: Convert to fraction form
    105,664.05/158,505.87 = 38,212.95/x
  3. Step 3: Cross multiply
    105,664.05x = 158,505.87 × 38,212.95
  4. Step 4: Simplify right side
    105,664.05x = 6,056,976,885.02
  5. Step 5: Solve for x
    x = 6,056,976,885.02/105,664.05
  6. Step 6: Final answer
    x = 57,322.97

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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.