Home / 164,923.20-247,352.40-54,115.20

Finding the Fourth Proportional to 164,923.20, 247,352.40 and 54,115.20

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Solution

The fourth proportional to 164,923.20, 247,352.40 and 54,115.20 is: 81,162.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,923.20 : 247,352.40 = 54,115.20 : x
  2. Step 2: Convert to fraction form
    164,923.20/247,352.40 = 54,115.20/x
  3. Step 3: Cross multiply
    164,923.20x = 247,352.40 × 54,115.20
  4. Step 4: Simplify right side
    164,923.20x = 13,385,524,596.48
  5. Step 5: Solve for x
    x = 13,385,524,596.48/164,923.20
  6. Step 6: Final answer
    x = 81,162.17

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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.