Home / 107,743.32-161,614.98-51,570.18

Finding the Fourth Proportional to 107,743.32, 161,614.98 and 51,570.18

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Solution

The fourth proportional to 107,743.32, 161,614.98 and 51,570.18 is: 77,355.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,743.32 : 161,614.98 = 51,570.18 : x
  2. Step 2: Convert to fraction form
    107,743.32/161,614.98 = 51,570.18/x
  3. Step 3: Cross multiply
    107,743.32x = 161,614.98 × 51,570.18
  4. Step 4: Simplify right side
    107,743.32x = 8,334,513,609.30
  5. Step 5: Solve for x
    x = 8,334,513,609.30/107,743.32
  6. Step 6: Final answer
    x = 77,355.27

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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.