Home / 143,526.85-215,246.49-115,380.16

Finding the Fourth Proportional to 143,526.85, 215,246.49 and 115,380.16

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Solution

The fourth proportional to 143,526.85, 215,246.49 and 115,380.16 is: 173,035.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,526.85 : 215,246.49 = 115,380.16 : x
  2. Step 2: Convert to fraction form
    143,526.85/215,246.49 = 115,380.16/x
  3. Step 3: Cross multiply
    143,526.85x = 215,246.49 × 115,380.16
  4. Step 4: Simplify right side
    143,526.85x = 24,835,174,455.64
  5. Step 5: Solve for x
    x = 24,835,174,455.64/143,526.85
  6. Step 6: Final answer
    x = 173,035.04

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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.