Home / 126,490.32-174,556.92-69,130.56

Finding the Fourth Proportional to 126,490.32, 174,556.92 and 69,130.56

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Solution

The fourth proportional to 126,490.32, 174,556.92 and 69,130.56 is: 95,400.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,490.32 : 174,556.92 = 69,130.56 : x
  2. Step 2: Convert to fraction form
    126,490.32/174,556.92 = 69,130.56/x
  3. Step 3: Cross multiply
    126,490.32x = 174,556.92 × 69,130.56
  4. Step 4: Simplify right side
    126,490.32x = 12,067,217,631.48
  5. Step 5: Solve for x
    x = 12,067,217,631.48/126,490.32
  6. Step 6: Final answer
    x = 95,400.32

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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.