Home / 120,261.06-180,338.26-64,090.70

Finding the Fourth Proportional to 120,261.06, 180,338.26 and 64,090.70

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Solution

The fourth proportional to 120,261.06, 180,338.26 and 64,090.70 is: 96,107.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,261.06 : 180,338.26 = 64,090.70 : x
  2. Step 2: Convert to fraction form
    120,261.06/180,338.26 = 64,090.70/x
  3. Step 3: Cross multiply
    120,261.06x = 180,338.26 × 64,090.70
  4. Step 4: Simplify right side
    120,261.06x = 11,558,005,320.18
  5. Step 5: Solve for x
    x = 11,558,005,320.18/120,261.06
  6. Step 6: Final answer
    x = 96,107.63

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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.