Home / 142,276.08-213,414.12-48,782.64

Finding the Fourth Proportional to 142,276.08, 213,414.12 and 48,782.64

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Solution

The fourth proportional to 142,276.08, 213,414.12 and 48,782.64 is: 73,173.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,276.08 : 213,414.12 = 48,782.64 : x
  2. Step 2: Convert to fraction form
    142,276.08/213,414.12 = 48,782.64/x
  3. Step 3: Cross multiply
    142,276.08x = 213,414.12 × 48,782.64
  4. Step 4: Simplify right side
    142,276.08x = 10,410,904,186.88
  5. Step 5: Solve for x
    x = 10,410,904,186.88/142,276.08
  6. Step 6: Final answer
    x = 73,173.96

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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.