Home / 104,905.06-144,767.16-57,158.80

Finding the Fourth Proportional to 104,905.06, 144,767.16 and 57,158.80

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Solution

The fourth proportional to 104,905.06, 144,767.16 and 57,158.80 is: 78,878.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,905.06 : 144,767.16 = 57,158.80 : x
  2. Step 2: Convert to fraction form
    104,905.06/144,767.16 = 57,158.80/x
  3. Step 3: Cross multiply
    104,905.06x = 144,767.16 × 57,158.80
  4. Step 4: Simplify right side
    104,905.06x = 8,274,717,145.01
  5. Step 5: Solve for x
    x = 8,274,717,145.01/104,905.06
  6. Step 6: Final answer
    x = 78,878.15

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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.