Home / 90,193.30-124,426.98-54,362.14

Finding the Fourth Proportional to 90,193.30, 124,426.98 and 54,362.14

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Solution

The fourth proportional to 90,193.30, 124,426.98 and 54,362.14 is: 74,995.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,193.30 : 124,426.98 = 54,362.14 : x
  2. Step 2: Convert to fraction form
    90,193.30/124,426.98 = 54,362.14/x
  3. Step 3: Cross multiply
    90,193.30x = 124,426.98 × 54,362.14
  4. Step 4: Simplify right side
    90,193.30x = 6,764,116,906.54
  5. Step 5: Solve for x
    x = 6,764,116,906.54/90,193.30
  6. Step 6: Final answer
    x = 74,995.78

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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.