Home / 113,327.46-156,424.86-75,601.62

Finding the Fourth Proportional to 113,327.46, 156,424.86 and 75,601.62

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Solution

The fourth proportional to 113,327.46, 156,424.86 and 75,601.62 is: 104,352.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,327.46 : 156,424.86 = 75,601.62 : x
  2. Step 2: Convert to fraction form
    113,327.46/156,424.86 = 75,601.62/x
  3. Step 3: Cross multiply
    113,327.46x = 156,424.86 × 75,601.62
  4. Step 4: Simplify right side
    113,327.46x = 11,825,972,824.27
  5. Step 5: Solve for x
    x = 11,825,972,824.27/113,327.46
  6. Step 6: Final answer
    x = 104,352.23

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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.