Home / 105,984.64-159,000.31-58,668.74

Finding the Fourth Proportional to 105,984.64, 159,000.31 and 58,668.74

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Solution

The fourth proportional to 105,984.64, 159,000.31 and 58,668.74 is: 88,016.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,984.64 : 159,000.31 = 58,668.74 : x
  2. Step 2: Convert to fraction form
    105,984.64/159,000.31 = 58,668.74/x
  3. Step 3: Cross multiply
    105,984.64x = 159,000.31 × 58,668.74
  4. Step 4: Simplify right side
    105,984.64x = 9,328,347,847.31
  5. Step 5: Solve for x
    x = 9,328,347,847.31/105,984.64
  6. Step 6: Final answer
    x = 88,016.04

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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.