Home / 115,427.20-173,118.93-40,529.74

Finding the Fourth Proportional to 115,427.20, 173,118.93 and 40,529.74

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Solution

The fourth proportional to 115,427.20, 173,118.93 and 40,529.74 is: 60,786.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,427.20 : 173,118.93 = 40,529.74 : x
  2. Step 2: Convert to fraction form
    115,427.20/173,118.93 = 40,529.74/x
  3. Step 3: Cross multiply
    115,427.20x = 173,118.93 × 40,529.74
  4. Step 4: Simplify right side
    115,427.20x = 7,016,465,221.98
  5. Step 5: Solve for x
    x = 7,016,465,221.98/115,427.20
  6. Step 6: Final answer
    x = 60,786.93

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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.