Home / 120,902.61-181,494.03-64,852.19

Finding the Fourth Proportional to 120,902.61, 181,494.03 and 64,852.19

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Solution

The fourth proportional to 120,902.61, 181,494.03 and 64,852.19 is: 97,353.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,902.61 : 181,494.03 = 64,852.19 : x
  2. Step 2: Convert to fraction form
    120,902.61/181,494.03 = 64,852.19/x
  3. Step 3: Cross multiply
    120,902.61x = 181,494.03 × 64,852.19
  4. Step 4: Simplify right side
    120,902.61x = 11,770,284,409.96
  5. Step 5: Solve for x
    x = 11,770,284,409.96/120,902.61
  6. Step 6: Final answer
    x = 97,353.44

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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.