Home / 143,499.68-215,247.36-64,558.16

Finding the Fourth Proportional to 143,499.68, 215,247.36 and 64,558.16

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Solution

The fourth proportional to 143,499.68, 215,247.36 and 64,558.16 is: 96,836.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,499.68 : 215,247.36 = 64,558.16 : x
  2. Step 2: Convert to fraction form
    143,499.68/215,247.36 = 64,558.16/x
  3. Step 3: Cross multiply
    143,499.68x = 215,247.36 × 64,558.16
  4. Step 4: Simplify right side
    143,499.68x = 13,895,973,506.46
  5. Step 5: Solve for x
    x = 13,895,973,506.46/143,499.68
  6. Step 6: Final answer
    x = 96,836.27

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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.