Home / 218,529.18-301,575.90-123,039.24

Finding the Fourth Proportional to 218,529.18, 301,575.90 and 123,039.24

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Solution

The fourth proportional to 218,529.18, 301,575.90 and 123,039.24 is: 169,797.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,529.18 : 301,575.90 = 123,039.24 : x
  2. Step 2: Convert to fraction form
    218,529.18/301,575.90 = 123,039.24/x
  3. Step 3: Cross multiply
    218,529.18x = 301,575.90 × 123,039.24
  4. Step 4: Simplify right side
    218,529.18x = 37,105,669,538.32
  5. Step 5: Solve for x
    x = 37,105,669,538.32/218,529.18
  6. Step 6: Final answer
    x = 169,797.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.