Home / 143,653.68-215,519.40-50,166.72

Finding the Fourth Proportional to 143,653.68, 215,519.40 and 50,166.72

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Solution

The fourth proportional to 143,653.68, 215,519.40 and 50,166.72 is: 75,263.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,653.68 : 215,519.40 = 50,166.72 : x
  2. Step 2: Convert to fraction form
    143,653.68/215,519.40 = 50,166.72/x
  3. Step 3: Cross multiply
    143,653.68x = 215,519.40 × 50,166.72
  4. Step 4: Simplify right side
    143,653.68x = 10,811,901,394.37
  5. Step 5: Solve for x
    x = 10,811,901,394.37/143,653.68
  6. Step 6: Final answer
    x = 75,263.66

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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.