Home / 107,857.16-161,792.64-32,979.98

Finding the Fourth Proportional to 107,857.16, 161,792.64 and 32,979.98

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Solution

The fourth proportional to 107,857.16, 161,792.64 and 32,979.98 is: 49,472.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,857.16 : 161,792.64 = 32,979.98 : x
  2. Step 2: Convert to fraction form
    107,857.16/161,792.64 = 32,979.98/x
  3. Step 3: Cross multiply
    107,857.16x = 161,792.64 × 32,979.98
  4. Step 4: Simplify right side
    107,857.16x = 5,335,918,031.35
  5. Step 5: Solve for x
    x = 5,335,918,031.35/107,857.16
  6. Step 6: Final answer
    x = 49,472.08

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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.