Home / 105,286.12-157,884.24-60,943.48

Finding the Fourth Proportional to 105,286.12, 157,884.24 and 60,943.48

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Solution

The fourth proportional to 105,286.12, 157,884.24 and 60,943.48 is: 91,389.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,286.12 : 157,884.24 = 60,943.48 : x
  2. Step 2: Convert to fraction form
    105,286.12/157,884.24 = 60,943.48/x
  3. Step 3: Cross multiply
    105,286.12x = 157,884.24 × 60,943.48
  4. Step 4: Simplify right side
    105,286.12x = 9,622,015,022.76
  5. Step 5: Solve for x
    x = 9,622,015,022.76/105,286.12
  6. Step 6: Final answer
    x = 91,389.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.