Home / 110,869.47-152,997.53-63,122.13

Finding the Fourth Proportional to 110,869.47, 152,997.53 and 63,122.13

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Solution

The fourth proportional to 110,869.47, 152,997.53 and 63,122.13 is: 87,107.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,869.47 : 152,997.53 = 63,122.13 : x
  2. Step 2: Convert to fraction form
    110,869.47/152,997.53 = 63,122.13/x
  3. Step 3: Cross multiply
    110,869.47x = 152,997.53 × 63,122.13
  4. Step 4: Simplify right side
    110,869.47x = 9,657,529,662.73
  5. Step 5: Solve for x
    x = 9,657,529,662.73/110,869.47
  6. Step 6: Final answer
    x = 87,107.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.