Home / 285,542.14-428,011.81-95,822.63

Finding the Fourth Proportional to 285,542.14, 428,011.81 and 95,822.63

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Solution

The fourth proportional to 285,542.14, 428,011.81 and 95,822.63 is: 143,632.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,542.14 : 428,011.81 = 95,822.63 : x
  2. Step 2: Convert to fraction form
    285,542.14/428,011.81 = 95,822.63/x
  3. Step 3: Cross multiply
    285,542.14x = 428,011.81 × 95,822.63
  4. Step 4: Simplify right side
    285,542.14x = 41,013,214,686.09
  5. Step 5: Solve for x
    x = 41,013,214,686.09/285,542.14
  6. Step 6: Final answer
    x = 143,632.79

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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.