Home / 150,117.40-225,175.86-71,188.48

Finding the Fourth Proportional to 150,117.40, 225,175.86 and 71,188.48

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Solution

The fourth proportional to 150,117.40, 225,175.86 and 71,188.48 is: 106,782.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,117.40 : 225,175.86 = 71,188.48 : x
  2. Step 2: Convert to fraction form
    150,117.40/225,175.86 = 71,188.48/x
  3. Step 3: Cross multiply
    150,117.40x = 225,175.86 × 71,188.48
  4. Step 4: Simplify right side
    150,117.40x = 16,029,927,206.09
  5. Step 5: Solve for x
    x = 16,029,927,206.09/150,117.40
  6. Step 6: Final answer
    x = 106,782.61

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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.