Home / 113,252.44-156,159.96-72,362.54

Finding the Fourth Proportional to 113,252.44, 156,159.96 and 72,362.54

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Solution

The fourth proportional to 113,252.44, 156,159.96 and 72,362.54 is: 99,778.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,252.44 : 156,159.96 = 72,362.54 : x
  2. Step 2: Convert to fraction form
    113,252.44/156,159.96 = 72,362.54/x
  3. Step 3: Cross multiply
    113,252.44x = 156,159.96 × 72,362.54
  4. Step 4: Simplify right side
    113,252.44x = 11,300,131,470.94
  5. Step 5: Solve for x
    x = 11,300,131,470.94/113,252.44
  6. Step 6: Final answer
    x = 99,778.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.