Home / 107,007.72-160,512.39-28,121.82

Finding the Fourth Proportional to 107,007.72, 160,512.39 and 28,121.82

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Solution

The fourth proportional to 107,007.72, 160,512.39 and 28,121.82 is: 42,182.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,007.72 : 160,512.39 = 28,121.82 : x
  2. Step 2: Convert to fraction form
    107,007.72/160,512.39 = 28,121.82/x
  3. Step 3: Cross multiply
    107,007.72x = 160,512.39 × 28,121.82
  4. Step 4: Simplify right side
    107,007.72x = 4,513,900,539.35
  5. Step 5: Solve for x
    x = 4,513,900,539.35/107,007.72
  6. Step 6: Final answer
    x = 42,182.94

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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.