Home / 120,997.08-166,951.38-70,686.36

Finding the Fourth Proportional to 120,997.08, 166,951.38 and 70,686.36

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Solution

The fourth proportional to 120,997.08, 166,951.38 and 70,686.36 is: 97,532.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,997.08 : 166,951.38 = 70,686.36 : x
  2. Step 2: Convert to fraction form
    120,997.08/166,951.38 = 70,686.36/x
  3. Step 3: Cross multiply
    120,997.08x = 166,951.38 × 70,686.36
  4. Step 4: Simplify right side
    120,997.08x = 11,801,185,349.18
  5. Step 5: Solve for x
    x = 11,801,185,349.18/120,997.08
  6. Step 6: Final answer
    x = 97,532.81

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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.