Home / 131,063.10-196,740.45-72,014.10

Finding the Fourth Proportional to 131,063.10, 196,740.45 and 72,014.10

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Solution

The fourth proportional to 131,063.10, 196,740.45 and 72,014.10 is: 108,101.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,063.10 : 196,740.45 = 72,014.10 : x
  2. Step 2: Convert to fraction form
    131,063.10/196,740.45 = 72,014.10/x
  3. Step 3: Cross multiply
    131,063.10x = 196,740.45 × 72,014.10
  4. Step 4: Simplify right side
    131,063.10x = 14,168,086,440.35
  5. Step 5: Solve for x
    x = 14,168,086,440.35/131,063.10
  6. Step 6: Final answer
    x = 108,101.26

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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.