Home / 60,156.04-90,220.86-20,180.62

Finding the Fourth Proportional to 60,156.04, 90,220.86 and 20,180.62

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Solution

The fourth proportional to 60,156.04, 90,220.86 and 20,180.62 is: 30,266.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,156.04 : 90,220.86 = 20,180.62 : x
  2. Step 2: Convert to fraction form
    60,156.04/90,220.86 = 20,180.62/x
  3. Step 3: Cross multiply
    60,156.04x = 90,220.86 × 20,180.62
  4. Step 4: Simplify right side
    60,156.04x = 1,820,712,891.73
  5. Step 5: Solve for x
    x = 1,820,712,891.73/60,156.04
  6. Step 6: Final answer
    x = 30,266.50

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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.