Home / 143,667.48-215,700-99,184.44

Finding the Fourth Proportional to 143,667.48, 215,700 and 99,184.44

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Solution

The fourth proportional to 143,667.48, 215,700 and 99,184.44 is: 148,913.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,667.48 : 215,700 = 99,184.44 : x
  2. Step 2: Convert to fraction form
    143,667.48/215,700 = 99,184.44/x
  3. Step 3: Cross multiply
    143,667.48x = 215,700 × 99,184.44
  4. Step 4: Simplify right side
    143,667.48x = 21,394,083,708
  5. Step 5: Solve for x
    x = 21,394,083,708/143,667.48
  6. Step 6: Final answer
    x = 148,913.89

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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.