Home / 123,947.16-170,992.08-73,617

Finding the Fourth Proportional to 123,947.16, 170,992.08 and 73,617

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Solution

The fourth proportional to 123,947.16, 170,992.08 and 73,617 is: 101,558.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,947.16 : 170,992.08 = 73,617 : x
  2. Step 2: Convert to fraction form
    123,947.16/170,992.08 = 73,617/x
  3. Step 3: Cross multiply
    123,947.16x = 170,992.08 × 73,617
  4. Step 4: Simplify right side
    123,947.16x = 12,587,923,953.36
  5. Step 5: Solve for x
    x = 12,587,923,953.36/123,947.16
  6. Step 6: Final answer
    x = 101,558.79

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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.