Home / 120,102.24-180,110.16-41,196

Finding the Fourth Proportional to 120,102.24, 180,110.16 and 41,196

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Solution

The fourth proportional to 120,102.24, 180,110.16 and 41,196 is: 61,779.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,102.24 : 180,110.16 = 41,196 : x
  2. Step 2: Convert to fraction form
    120,102.24/180,110.16 = 41,196/x
  3. Step 3: Cross multiply
    120,102.24x = 180,110.16 × 41,196
  4. Step 4: Simplify right side
    120,102.24x = 7,419,818,151.36
  5. Step 5: Solve for x
    x = 7,419,818,151.36/120,102.24
  6. Step 6: Final answer
    x = 61,779.18

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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.