Home / 142,150.08-212,991.60-48,604.80

Finding the Fourth Proportional to 142,150.08, 212,991.60 and 48,604.80

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Solution

The fourth proportional to 142,150.08, 212,991.60 and 48,604.80 is: 72,827.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,150.08 : 212,991.60 = 48,604.80 : x
  2. Step 2: Convert to fraction form
    142,150.08/212,991.60 = 48,604.80/x
  3. Step 3: Cross multiply
    142,150.08x = 212,991.60 × 48,604.80
  4. Step 4: Simplify right side
    142,150.08x = 10,352,414,119.68
  5. Step 5: Solve for x
    x = 10,352,414,119.68/142,150.08
  6. Step 6: Final answer
    x = 72,827.35

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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.