Home / 142,530.94-213,733.23-75,958.66

Finding the Fourth Proportional to 142,530.94, 213,733.23 and 75,958.66

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Solution

The fourth proportional to 142,530.94, 213,733.23 and 75,958.66 is: 113,904.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,530.94 : 213,733.23 = 75,958.66 : x
  2. Step 2: Convert to fraction form
    142,530.94/213,733.23 = 75,958.66/x
  3. Step 3: Cross multiply
    142,530.94x = 213,733.23 × 75,958.66
  4. Step 4: Simplify right side
    142,530.94x = 16,234,889,748.27
  5. Step 5: Solve for x
    x = 16,234,889,748.27/142,530.94
  6. Step 6: Final answer
    x = 113,904.32

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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.