Home / 120,212.30-180,318.45-37,106.30

Finding the Fourth Proportional to 120,212.30, 180,318.45 and 37,106.30

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Solution

The fourth proportional to 120,212.30, 180,318.45 and 37,106.30 is: 55,659.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,212.30 : 180,318.45 = 37,106.30 : x
  2. Step 2: Convert to fraction form
    120,212.30/180,318.45 = 37,106.30/x
  3. Step 3: Cross multiply
    120,212.30x = 180,318.45 × 37,106.30
  4. Step 4: Simplify right side
    120,212.30x = 6,690,950,501.24
  5. Step 5: Solve for x
    x = 6,690,950,501.24/120,212.30
  6. Step 6: Final answer
    x = 55,659.45

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Similar ratio
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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.