Home / 90,015.62-134,992.14-50,095.52

Finding the Fourth Proportional to 90,015.62, 134,992.14 and 50,095.52

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Solution

The fourth proportional to 90,015.62, 134,992.14 and 50,095.52 is: 75,125.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,015.62 : 134,992.14 = 50,095.52 : x
  2. Step 2: Convert to fraction form
    90,015.62/134,992.14 = 50,095.52/x
  3. Step 3: Cross multiply
    90,015.62x = 134,992.14 × 50,095.52
  4. Step 4: Simplify right side
    90,015.62x = 6,762,500,774.25
  5. Step 5: Solve for x
    x = 6,762,500,774.25/90,015.62
  6. Step 6: Final answer
    x = 75,125.86

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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.