Home / 136,395.30-188,224.98-75,966.66

Finding the Fourth Proportional to 136,395.30, 188,224.98 and 75,966.66

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Solution

The fourth proportional to 136,395.30, 188,224.98 and 75,966.66 is: 104,833.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,395.30 : 188,224.98 = 75,966.66 : x
  2. Step 2: Convert to fraction form
    136,395.30/188,224.98 = 75,966.66/x
  3. Step 3: Cross multiply
    136,395.30x = 188,224.98 × 75,966.66
  4. Step 4: Simplify right side
    136,395.30x = 14,298,823,059.17
  5. Step 5: Solve for x
    x = 14,298,823,059.17/136,395.30
  6. Step 6: Final answer
    x = 104,833.69

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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.