Home / 131,825.50-197,767.62-72,630.70

Finding the Fourth Proportional to 131,825.50, 197,767.62 and 72,630.70

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Solution

The fourth proportional to 131,825.50, 197,767.62 and 72,630.70 is: 108,962.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,825.50 : 197,767.62 = 72,630.70 : x
  2. Step 2: Convert to fraction form
    131,825.50/197,767.62 = 72,630.70/x
  3. Step 3: Cross multiply
    131,825.50x = 197,767.62 × 72,630.70
  4. Step 4: Simplify right side
    131,825.50x = 14,364,000,183.51
  5. Step 5: Solve for x
    x = 14,364,000,183.51/131,825.50
  6. Step 6: Final answer
    x = 108,962.23

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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.