Home / 131,611.32-197,416.98-38,117.07

Finding the Fourth Proportional to 131,611.32, 197,416.98 and 38,117.07

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Solution

The fourth proportional to 131,611.32, 197,416.98 and 38,117.07 is: 57,175.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,611.32 : 197,416.98 = 38,117.07 : x
  2. Step 2: Convert to fraction form
    131,611.32/197,416.98 = 38,117.07/x
  3. Step 3: Cross multiply
    131,611.32x = 197,416.98 × 38,117.07
  4. Step 4: Simplify right side
    131,611.32x = 7,524,956,845.85
  5. Step 5: Solve for x
    x = 7,524,956,845.85/131,611.32
  6. Step 6: Final answer
    x = 57,175.61

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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.