Home / 219,888.45-303,420.46-123,097.60

Finding the Fourth Proportional to 219,888.45, 303,420.46 and 123,097.60

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Solution

The fourth proportional to 219,888.45, 303,420.46 and 123,097.60 is: 169,860.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,888.45 : 303,420.46 = 123,097.60 : x
  2. Step 2: Convert to fraction form
    219,888.45/303,420.46 = 123,097.60/x
  3. Step 3: Cross multiply
    219,888.45x = 303,420.46 × 123,097.60
  4. Step 4: Simplify right side
    219,888.45x = 37,350,330,416.90
  5. Step 5: Solve for x
    x = 37,350,330,416.90/219,888.45
  6. Step 6: Final answer
    x = 169,860.36

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1.5x scale

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.