Home / 143,339.80-215,009.70-36,723.55

Finding the Fourth Proportional to 143,339.80, 215,009.70 and 36,723.55

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Solution

The fourth proportional to 143,339.80, 215,009.70 and 36,723.55 is: 55,085.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,339.80 : 215,009.70 = 36,723.55 : x
  2. Step 2: Convert to fraction form
    143,339.80/215,009.70 = 36,723.55/x
  3. Step 3: Cross multiply
    143,339.80x = 215,009.70 × 36,723.55
  4. Step 4: Simplify right side
    143,339.80x = 7,895,919,468.44
  5. Step 5: Solve for x
    x = 7,895,919,468.44/143,339.80
  6. Step 6: Final answer
    x = 55,085.33

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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.