Home / 90,394.73-124,688.46-58,171.42

Finding the Fourth Proportional to 90,394.73, 124,688.46 and 58,171.42

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Solution

The fourth proportional to 90,394.73, 124,688.46 and 58,171.42 is: 80,240.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,394.73 : 124,688.46 = 58,171.42 : x
  2. Step 2: Convert to fraction form
    90,394.73/124,688.46 = 58,171.42/x
  3. Step 3: Cross multiply
    90,394.73x = 124,688.46 × 58,171.42
  4. Step 4: Simplify right side
    90,394.73x = 7,253,304,448.44
  5. Step 5: Solve for x
    x = 7,253,304,448.44/90,394.73
  6. Step 6: Final answer
    x = 80,240.34

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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.