Home / 189,449.28-261,437.76-104,564.52

Finding the Fourth Proportional to 189,449.28, 261,437.76 and 104,564.52

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Solution

The fourth proportional to 189,449.28, 261,437.76 and 104,564.52 is: 144,297.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,449.28 : 261,437.76 = 104,564.52 : x
  2. Step 2: Convert to fraction form
    189,449.28/261,437.76 = 104,564.52/x
  3. Step 3: Cross multiply
    189,449.28x = 261,437.76 × 104,564.52
  4. Step 4: Simplify right side
    189,449.28x = 27,337,113,884.28
  5. Step 5: Solve for x
    x = 27,337,113,884.28/189,449.28
  6. Step 6: Final answer
    x = 144,297.80

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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.