Home / 161,611.08-242,303.96-71,604.86

Finding the Fourth Proportional to 161,611.08, 242,303.96 and 71,604.86

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Solution

The fourth proportional to 161,611.08, 242,303.96 and 71,604.86 is: 107,357.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,611.08 : 242,303.96 = 71,604.86 : x
  2. Step 2: Convert to fraction form
    161,611.08/242,303.96 = 71,604.86/x
  3. Step 3: Cross multiply
    161,611.08x = 242,303.96 × 71,604.86
  4. Step 4: Simplify right side
    161,611.08x = 17,350,141,133.25
  5. Step 5: Solve for x
    x = 17,350,141,133.25/161,611.08
  6. Step 6: Final answer
    x = 107,357.37

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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.