Home / 125,320.74-188,030.31-55,150.83

Finding the Fourth Proportional to 125,320.74, 188,030.31 and 55,150.83

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Solution

The fourth proportional to 125,320.74, 188,030.31 and 55,150.83 is: 82,747.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,320.74 : 188,030.31 = 55,150.83 : x
  2. Step 2: Convert to fraction form
    125,320.74/188,030.31 = 55,150.83/x
  3. Step 3: Cross multiply
    125,320.74x = 188,030.31 × 55,150.83
  4. Step 4: Simplify right side
    125,320.74x = 10,370,027,661.66
  5. Step 5: Solve for x
    x = 10,370,027,661.66/125,320.74
  6. Step 6: Final answer
    x = 82,747.90

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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.