Home / 218,084.47-300,957.83-122,590.33

Finding the Fourth Proportional to 218,084.47, 300,957.83 and 122,590.33

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Solution

The fourth proportional to 218,084.47, 300,957.83 and 122,590.33 is: 169,175.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,084.47 : 300,957.83 = 122,590.33 : x
  2. Step 2: Convert to fraction form
    218,084.47/300,957.83 = 122,590.33/x
  3. Step 3: Cross multiply
    218,084.47x = 300,957.83 × 122,590.33
  4. Step 4: Simplify right side
    218,084.47x = 36,894,518,790.15
  5. Step 5: Solve for x
    x = 36,894,518,790.15/218,084.47
  6. Step 6: Final answer
    x = 169,175.36

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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.