Home / 60,119.04-90,160.32-20,653.44

Finding the Fourth Proportional to 60,119.04, 90,160.32 and 20,653.44

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Solution

The fourth proportional to 60,119.04, 90,160.32 and 20,653.44 is: 30,973.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,119.04 : 90,160.32 = 20,653.44 : x
  2. Step 2: Convert to fraction form
    60,119.04/90,160.32 = 20,653.44/x
  3. Step 3: Cross multiply
    60,119.04x = 90,160.32 × 20,653.44
  4. Step 4: Simplify right side
    60,119.04x = 1,862,120,759.50
  5. Step 5: Solve for x
    x = 1,862,120,759.50/60,119.04
  6. Step 6: Final answer
    x = 30,973.89

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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.