Home / 142,230.06-213,180.84-53,426.88

Finding the Fourth Proportional to 142,230.06, 213,180.84 and 53,426.88

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Solution

The fourth proportional to 142,230.06, 213,180.84 and 53,426.88 is: 80,078.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,230.06 : 213,180.84 = 53,426.88 : x
  2. Step 2: Convert to fraction form
    142,230.06/213,180.84 = 53,426.88/x
  3. Step 3: Cross multiply
    142,230.06x = 213,180.84 × 53,426.88
  4. Step 4: Simplify right side
    142,230.06x = 11,389,587,156.98
  5. Step 5: Solve for x
    x = 11,389,587,156.98/142,230.06
  6. Step 6: Final answer
    x = 80,078.62

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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.