Home / 136,095.66-187,811.82-75,664.38

Finding the Fourth Proportional to 136,095.66, 187,811.82 and 75,664.38

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Solution

The fourth proportional to 136,095.66, 187,811.82 and 75,664.38 is: 104,416.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,095.66 : 187,811.82 = 75,664.38 : x
  2. Step 2: Convert to fraction form
    136,095.66/187,811.82 = 75,664.38/x
  3. Step 3: Cross multiply
    136,095.66x = 187,811.82 × 75,664.38
  4. Step 4: Simplify right side
    136,095.66x = 14,210,664,916.97
  5. Step 5: Solve for x
    x = 14,210,664,916.97/136,095.66
  6. Step 6: Final answer
    x = 104,416.74

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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.