Home / 146,119.24-201,642.56-81,589.47

Finding the Fourth Proportional to 146,119.24, 201,642.56 and 81,589.47

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Solution

The fourth proportional to 146,119.24, 201,642.56 and 81,589.47 is: 112,592.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,119.24 : 201,642.56 = 81,589.47 : x
  2. Step 2: Convert to fraction form
    146,119.24/201,642.56 = 81,589.47/x
  3. Step 3: Cross multiply
    146,119.24x = 201,642.56 × 81,589.47
  4. Step 4: Simplify right side
    146,119.24x = 16,451,909,599.84
  5. Step 5: Solve for x
    x = 16,451,909,599.84/146,119.24
  6. Step 6: Final answer
    x = 112,592.36

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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.