Home / 105,984.29-158,976.44-39,423.08

Finding the Fourth Proportional to 105,984.29, 158,976.44 and 39,423.08

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Solution

The fourth proportional to 105,984.29, 158,976.44 and 39,423.08 is: 59,134.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,984.29 : 158,976.44 = 39,423.08 : x
  2. Step 2: Convert to fraction form
    105,984.29/158,976.44 = 39,423.08/x
  3. Step 3: Cross multiply
    105,984.29x = 158,976.44 × 39,423.08
  4. Step 4: Simplify right side
    105,984.29x = 6,267,340,715.12
  5. Step 5: Solve for x
    x = 6,267,340,715.12/105,984.29
  6. Step 6: Final answer
    x = 59,134.62

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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.