Home / 142,542.94-213,751.22-75,970.66

Finding the Fourth Proportional to 142,542.94, 213,751.22 and 75,970.66

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Solution

The fourth proportional to 142,542.94, 213,751.22 and 75,970.66 is: 113,922.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,542.94 : 213,751.22 = 75,970.66 : x
  2. Step 2: Convert to fraction form
    142,542.94/213,751.22 = 75,970.66/x
  3. Step 3: Cross multiply
    142,542.94x = 213,751.22 × 75,970.66
  4. Step 4: Simplify right side
    142,542.94x = 16,238,821,259.21
  5. Step 5: Solve for x
    x = 16,238,821,259.21/142,542.94
  6. Step 6: Final answer
    x = 113,922.31

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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.