Home / 142,891.04-197,144.75-82,453.75

Finding the Fourth Proportional to 142,891.04, 197,144.75 and 82,453.75

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Solution

The fourth proportional to 142,891.04, 197,144.75 and 82,453.75 is: 113,760.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,891.04 : 197,144.75 = 82,453.75 : x
  2. Step 2: Convert to fraction form
    142,891.04/197,144.75 = 82,453.75/x
  3. Step 3: Cross multiply
    142,891.04x = 197,144.75 × 82,453.75
  4. Step 4: Simplify right side
    142,891.04x = 16,255,323,643.59
  5. Step 5: Solve for x
    x = 16,255,323,643.59/142,891.04
  6. Step 6: Final answer
    x = 113,760.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.