Home / 105,633.02-158,449.80-26,747.26

Finding the Fourth Proportional to 105,633.02, 158,449.80 and 26,747.26

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Solution

The fourth proportional to 105,633.02, 158,449.80 and 26,747.26 is: 40,120.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,633.02 : 158,449.80 = 26,747.26 : x
  2. Step 2: Convert to fraction form
    105,633.02/158,449.80 = 26,747.26/x
  3. Step 3: Cross multiply
    105,633.02x = 158,449.80 × 26,747.26
  4. Step 4: Simplify right side
    105,633.02x = 4,238,097,997.55
  5. Step 5: Solve for x
    x = 4,238,097,997.55/105,633.02
  6. Step 6: Final answer
    x = 40,120.96

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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.