Home / 60,155.04-90,219.36-20,179.62

Finding the Fourth Proportional to 60,155.04, 90,219.36 and 20,179.62

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Solution

The fourth proportional to 60,155.04, 90,219.36 and 20,179.62 is: 30,265.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,155.04 : 90,219.36 = 20,179.62 : x
  2. Step 2: Convert to fraction form
    60,155.04/90,219.36 = 20,179.62/x
  3. Step 3: Cross multiply
    60,155.04x = 90,219.36 × 20,179.62
  4. Step 4: Simplify right side
    60,155.04x = 1,820,592,401.44
  5. Step 5: Solve for x
    x = 1,820,592,401.44/60,155.04
  6. Step 6: Final answer
    x = 30,265.00

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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.