Home / 120,134.72-180,206.46-41,248.48

Finding the Fourth Proportional to 120,134.72, 180,206.46 and 41,248.48

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Solution

The fourth proportional to 120,134.72, 180,206.46 and 41,248.48 is: 61,874.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,134.72 : 180,206.46 = 41,248.48 : x
  2. Step 2: Convert to fraction form
    120,134.72/180,206.46 = 41,248.48/x
  3. Step 3: Cross multiply
    120,134.72x = 180,206.46 × 41,248.48
  4. Step 4: Simplify right side
    120,134.72x = 7,433,242,561.18
  5. Step 5: Solve for x
    x = 7,433,242,561.18/120,134.72
  6. Step 6: Final answer
    x = 61,874.22

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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.