Home / 118,900.91-164,084.60-67,920.39

Finding the Fourth Proportional to 118,900.91, 164,084.60 and 67,920.39

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Solution

The fourth proportional to 118,900.91, 164,084.60 and 67,920.39 is: 93,730.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,900.91 : 164,084.60 = 67,920.39 : x
  2. Step 2: Convert to fraction form
    118,900.91/164,084.60 = 67,920.39/x
  3. Step 3: Cross multiply
    118,900.91x = 164,084.60 × 67,920.39
  4. Step 4: Simplify right side
    118,900.91x = 11,144,690,194.80
  5. Step 5: Solve for x
    x = 11,144,690,194.80/118,900.91
  6. Step 6: Final answer
    x = 93,730.91

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1.5x scale

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.