Home / 125,169.58-187,752.31-30,400.54

Finding the Fourth Proportional to 125,169.58, 187,752.31 and 30,400.54

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Solution

The fourth proportional to 125,169.58, 187,752.31 and 30,400.54 is: 45,600.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,169.58 : 187,752.31 = 30,400.54 : x
  2. Step 2: Convert to fraction form
    125,169.58/187,752.31 = 30,400.54/x
  3. Step 3: Cross multiply
    125,169.58x = 187,752.31 × 30,400.54
  4. Step 4: Simplify right side
    125,169.58x = 5,707,771,064.87
  5. Step 5: Solve for x
    x = 5,707,771,064.87/125,169.58
  6. Step 6: Final answer
    x = 45,600.30

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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.