Home / 136,398.33-188,228.41-75,965.45

Finding the Fourth Proportional to 136,398.33, 188,228.41 and 75,965.45

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Solution

The fourth proportional to 136,398.33, 188,228.41 and 75,965.45 is: 104,831.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,398.33 : 188,228.41 = 75,965.45 : x
  2. Step 2: Convert to fraction form
    136,398.33/188,228.41 = 75,965.45/x
  3. Step 3: Cross multiply
    136,398.33x = 188,228.41 × 75,965.45
  4. Step 4: Simplify right side
    136,398.33x = 14,298,854,737.38
  5. Step 5: Solve for x
    x = 14,298,854,737.38/136,398.33
  6. Step 6: Final answer
    x = 104,831.60

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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.