Home / 142,343.20-213,280.24-48,797.60

Finding the Fourth Proportional to 142,343.20, 213,280.24 and 48,797.60

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Solution

The fourth proportional to 142,343.20, 213,280.24 and 48,797.60 is: 73,115.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,343.20 : 213,280.24 = 48,797.60 : x
  2. Step 2: Convert to fraction form
    142,343.20/213,280.24 = 48,797.60/x
  3. Step 3: Cross multiply
    142,343.20x = 213,280.24 × 48,797.60
  4. Step 4: Simplify right side
    142,343.20x = 10,407,563,839.42
  5. Step 5: Solve for x
    x = 10,407,563,839.42/142,343.20
  6. Step 6: Final answer
    x = 73,115.99

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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.