Home / 131,881.05-197,505.49-67,670.22

Finding the Fourth Proportional to 131,881.05, 197,505.49 and 67,670.22

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Solution

The fourth proportional to 131,881.05, 197,505.49 and 67,670.22 is: 101,343.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,881.05 : 197,505.49 = 67,670.22 : x
  2. Step 2: Convert to fraction form
    131,881.05/197,505.49 = 67,670.22/x
  3. Step 3: Cross multiply
    131,881.05x = 197,505.49 × 67,670.22
  4. Step 4: Simplify right side
    131,881.05x = 13,365,239,648.14
  5. Step 5: Solve for x
    x = 13,365,239,648.14/131,881.05
  6. Step 6: Final answer
    x = 101,343.14

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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.