Home / 125,939.72-188,953.32-55,868.24

Finding the Fourth Proportional to 125,939.72, 188,953.32 and 55,868.24

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Solution

The fourth proportional to 125,939.72, 188,953.32 and 55,868.24 is: 83,821.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,939.72 : 188,953.32 = 55,868.24 : x
  2. Step 2: Convert to fraction form
    125,939.72/188,953.32 = 55,868.24/x
  3. Step 3: Cross multiply
    125,939.72x = 188,953.32 × 55,868.24
  4. Step 4: Simplify right side
    125,939.72x = 10,556,489,430.56
  5. Step 5: Solve for x
    x = 10,556,489,430.56/125,939.72
  6. Step 6: Final answer
    x = 83,821.76

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1.5x scale

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.