Home / 131,565.36-197,351.08-42,825.79

Finding the Fourth Proportional to 131,565.36, 197,351.08 and 42,825.79

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Solution

The fourth proportional to 131,565.36, 197,351.08 and 42,825.79 is: 64,239.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,565.36 : 197,351.08 = 42,825.79 : x
  2. Step 2: Convert to fraction form
    131,565.36/197,351.08 = 42,825.79/x
  3. Step 3: Cross multiply
    131,565.36x = 197,351.08 × 42,825.79
  4. Step 4: Simplify right side
    131,565.36x = 8,451,715,733.82
  5. Step 5: Solve for x
    x = 8,451,715,733.82/131,565.36
  6. Step 6: Final answer
    x = 64,239.67

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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.