Home / 131,440.20-197,307.54-52,609.32

Finding the Fourth Proportional to 131,440.20, 197,307.54 and 52,609.32

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Solution

The fourth proportional to 131,440.20, 197,307.54 and 52,609.32 is: 78,972.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,440.20 : 197,307.54 = 52,609.32 : x
  2. Step 2: Convert to fraction form
    131,440.20/197,307.54 = 52,609.32/x
  3. Step 3: Cross multiply
    131,440.20x = 197,307.54 × 52,609.32
  4. Step 4: Simplify right side
    131,440.20x = 10,380,215,510.27
  5. Step 5: Solve for x
    x = 10,380,215,510.27/131,440.20
  6. Step 6: Final answer
    x = 78,972.91

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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.