Home / 179,633.90-247,896.51-99,064.28

Finding the Fourth Proportional to 179,633.90, 247,896.51 and 99,064.28

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Solution

The fourth proportional to 179,633.90, 247,896.51 and 99,064.28 is: 136,709.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,633.90 : 247,896.51 = 99,064.28 : x
  2. Step 2: Convert to fraction form
    179,633.90/247,896.51 = 99,064.28/x
  3. Step 3: Cross multiply
    179,633.90x = 247,896.51 × 99,064.28
  4. Step 4: Simplify right side
    179,633.90x = 24,557,689,277.66
  5. Step 5: Solve for x
    x = 24,557,689,277.66/179,633.90
  6. Step 6: Final answer
    x = 136,709.66

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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.