Home / 285,502.14-428,292.53-95,977.22

Finding the Fourth Proportional to 285,502.14, 428,292.53 and 95,977.22

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Solution

The fourth proportional to 285,502.14, 428,292.53 and 95,977.22 is: 143,979.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,502.14 : 428,292.53 = 95,977.22 : x
  2. Step 2: Convert to fraction form
    285,502.14/428,292.53 = 95,977.22/x
  3. Step 3: Cross multiply
    285,502.14x = 428,292.53 × 95,977.22
  4. Step 4: Simplify right side
    285,502.14x = 41,106,323,754.82
  5. Step 5: Solve for x
    x = 41,106,323,754.82/285,502.14
  6. Step 6: Final answer
    x = 143,979.04

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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.