Home / 213,135.47-294,093.42-122,473.89

Finding the Fourth Proportional to 213,135.47, 294,093.42 and 122,473.89

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Solution

The fourth proportional to 213,135.47, 294,093.42 and 122,473.89 is: 168,994.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,135.47 : 294,093.42 = 122,473.89 : x
  2. Step 2: Convert to fraction form
    213,135.47/294,093.42 = 122,473.89/x
  3. Step 3: Cross multiply
    213,135.47x = 294,093.42 × 122,473.89
  4. Step 4: Simplify right side
    213,135.47x = 36,018,764,711.53
  5. Step 5: Solve for x
    x = 36,018,764,711.53/213,135.47
  6. Step 6: Final answer
    x = 168,994.70

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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.