Home / 172,756.20-238,393.07-95,228.45

Finding the Fourth Proportional to 172,756.20, 238,393.07 and 95,228.45

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Solution

The fourth proportional to 172,756.20, 238,393.07 and 95,228.45 is: 131,409.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,756.20 : 238,393.07 = 95,228.45 : x
  2. Step 2: Convert to fraction form
    172,756.20/238,393.07 = 95,228.45/x
  3. Step 3: Cross multiply
    172,756.20x = 238,393.07 × 95,228.45
  4. Step 4: Simplify right side
    172,756.20x = 22,701,802,129.81
  5. Step 5: Solve for x
    x = 22,701,802,129.81/172,756.20
  6. Step 6: Final answer
    x = 131,409.48

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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.