Home / 146,167.20-201,711.36-79,099.20

Finding the Fourth Proportional to 146,167.20, 201,711.36 and 79,099.20

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Solution

The fourth proportional to 146,167.20, 201,711.36 and 79,099.20 is: 109,157.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,167.20 : 201,711.36 = 79,099.20 : x
  2. Step 2: Convert to fraction form
    146,167.20/201,711.36 = 79,099.20/x
  3. Step 3: Cross multiply
    146,167.20x = 201,711.36 × 79,099.20
  4. Step 4: Simplify right side
    146,167.20x = 15,955,207,206.91
  5. Step 5: Solve for x
    x = 15,955,207,206.91/146,167.20
  6. Step 6: Final answer
    x = 109,157.23

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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.