Home / 189,155.33-261,036.11-104,275.43

Finding the Fourth Proportional to 189,155.33, 261,036.11 and 104,275.43

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Solution

The fourth proportional to 189,155.33, 261,036.11 and 104,275.43 is: 143,901.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,155.33 : 261,036.11 = 104,275.43 : x
  2. Step 2: Convert to fraction form
    189,155.33/261,036.11 = 104,275.43/x
  3. Step 3: Cross multiply
    189,155.33x = 261,036.11 × 104,275.43
  4. Step 4: Simplify right side
    189,155.33x = 27,219,652,615.78
  5. Step 5: Solve for x
    x = 27,219,652,615.78/189,155.33
  6. Step 6: Final answer
    x = 143,901.06

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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.