Home / 119,169.86-164,465.82-68,172.46

Finding the Fourth Proportional to 119,169.86, 164,465.82 and 68,172.46

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Solution

The fourth proportional to 119,169.86, 164,465.82 and 68,172.46 is: 94,084.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,169.86 : 164,465.82 = 68,172.46 : x
  2. Step 2: Convert to fraction form
    119,169.86/164,465.82 = 68,172.46/x
  3. Step 3: Cross multiply
    119,169.86x = 164,465.82 × 68,172.46
  4. Step 4: Simplify right side
    119,169.86x = 11,212,039,124.15
  5. Step 5: Solve for x
    x = 11,212,039,124.15/119,169.86
  6. Step 6: Final answer
    x = 94,084.52

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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.