Home / 143,368.40-215,096.34-73,296.92

Finding the Fourth Proportional to 143,368.40, 215,096.34 and 73,296.92

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Solution

The fourth proportional to 143,368.40, 215,096.34 and 73,296.92 is: 109,967.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,368.40 : 215,096.34 = 73,296.92 : x
  2. Step 2: Convert to fraction form
    143,368.40/215,096.34 = 73,296.92/x
  3. Step 3: Cross multiply
    143,368.40x = 215,096.34 × 73,296.92
  4. Step 4: Simplify right side
    143,368.40x = 15,765,900,037.88
  5. Step 5: Solve for x
    x = 15,765,900,037.88/143,368.40
  6. Step 6: Final answer
    x = 109,967.75

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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.