Home / 445,360.14-667,909.58-125,490.74

Finding the Fourth Proportional to 445,360.14, 667,909.58 and 125,490.74

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Solution

The fourth proportional to 445,360.14, 667,909.58 and 125,490.74 is: 188,199.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,360.14 : 667,909.58 = 125,490.74 : x
  2. Step 2: Convert to fraction form
    445,360.14/667,909.58 = 125,490.74/x
  3. Step 3: Cross multiply
    445,360.14x = 667,909.58 × 125,490.74
  4. Step 4: Simplify right side
    445,360.14x = 83,816,463,480.29
  5. Step 5: Solve for x
    x = 83,816,463,480.29/445,360.14
  6. Step 6: Final answer
    x = 188,199.29

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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.