Home / 120,302.90-166,035.48-69,305.70

Finding the Fourth Proportional to 120,302.90, 166,035.48 and 69,305.70

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Solution

The fourth proportional to 120,302.90, 166,035.48 and 69,305.70 is: 95,651.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,302.90 : 166,035.48 = 69,305.70 : x
  2. Step 2: Convert to fraction form
    120,302.90/166,035.48 = 69,305.70/x
  3. Step 3: Cross multiply
    120,302.90x = 166,035.48 × 69,305.70
  4. Step 4: Simplify right side
    120,302.90x = 11,507,205,549.30
  5. Step 5: Solve for x
    x = 11,507,205,549.30/120,302.90
  6. Step 6: Final answer
    x = 95,651.94

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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.