Home / 120,646.05-166,472.78-68,962.38

Finding the Fourth Proportional to 120,646.05, 166,472.78 and 68,962.38

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Solution

The fourth proportional to 120,646.05, 166,472.78 and 68,962.38 is: 95,157.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,646.05 : 166,472.78 = 68,962.38 : x
  2. Step 2: Convert to fraction form
    120,646.05/166,472.78 = 68,962.38/x
  3. Step 3: Cross multiply
    120,646.05x = 166,472.78 × 68,962.38
  4. Step 4: Simplify right side
    120,646.05x = 11,480,359,114.02
  5. Step 5: Solve for x
    x = 11,480,359,114.02/120,646.05
  6. Step 6: Final answer
    x = 95,157.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.