Home / 60,136.29-90,203.46-20,693.75

Finding the Fourth Proportional to 60,136.29, 90,203.46 and 20,693.75

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Solution

The fourth proportional to 60,136.29, 90,203.46 and 20,693.75 is: 31,040.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,136.29 : 90,203.46 = 20,693.75 : x
  2. Step 2: Convert to fraction form
    60,136.29/90,203.46 = 20,693.75/x
  3. Step 3: Cross multiply
    60,136.29x = 90,203.46 × 20,693.75
  4. Step 4: Simplify right side
    60,136.29x = 1,866,647,399.36
  5. Step 5: Solve for x
    x = 1,866,647,399.36/60,136.29
  6. Step 6: Final answer
    x = 31,040.28

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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.