Home / 142,939.04-214,257.24-48,078.92

Finding the Fourth Proportional to 142,939.04, 214,257.24 and 48,078.92

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Solution

The fourth proportional to 142,939.04, 214,257.24 and 48,078.92 is: 72,067.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,939.04 : 214,257.24 = 48,078.92 : x
  2. Step 2: Convert to fraction form
    142,939.04/214,257.24 = 48,078.92/x
  3. Step 3: Cross multiply
    142,939.04x = 214,257.24 × 48,078.92
  4. Step 4: Simplify right side
    142,939.04x = 10,301,256,701.38
  5. Step 5: Solve for x
    x = 10,301,256,701.38/142,939.04
  6. Step 6: Final answer
    x = 72,067.48

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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.