Home / 120,216.93-180,349.98-41,320.89

Finding the Fourth Proportional to 120,216.93, 180,349.98 and 41,320.89

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Solution

The fourth proportional to 120,216.93, 180,349.98 and 41,320.89 is: 61,989.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,216.93 : 180,349.98 = 41,320.89 : x
  2. Step 2: Convert to fraction form
    120,216.93/180,349.98 = 41,320.89/x
  3. Step 3: Cross multiply
    120,216.93x = 180,349.98 × 41,320.89
  4. Step 4: Simplify right side
    120,216.93x = 7,452,221,685.08
  5. Step 5: Solve for x
    x = 7,452,221,685.08/120,216.93
  6. Step 6: Final answer
    x = 61,989.79

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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.