Home / 105,927.50-158,891.25-39,384.38

Finding the Fourth Proportional to 105,927.50, 158,891.25 and 39,384.38

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Solution

The fourth proportional to 105,927.50, 158,891.25 and 39,384.38 is: 59,076.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,927.50 : 158,891.25 = 39,384.38 : x
  2. Step 2: Convert to fraction form
    105,927.50/158,891.25 = 39,384.38/x
  3. Step 3: Cross multiply
    105,927.50x = 158,891.25 × 39,384.38
  4. Step 4: Simplify right side
    105,927.50x = 6,257,832,574.22
  5. Step 5: Solve for x
    x = 6,257,832,574.22/105,927.50
  6. Step 6: Final answer
    x = 59,076.57

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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.