Home / 104,837.40-144,677.34-57,091.68

Finding the Fourth Proportional to 104,837.40, 144,677.34 and 57,091.68

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Solution

The fourth proportional to 104,837.40, 144,677.34 and 57,091.68 is: 78,787.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,837.40 : 144,677.34 = 57,091.68 : x
  2. Step 2: Convert to fraction form
    104,837.40/144,677.34 = 57,091.68/x
  3. Step 3: Cross multiply
    104,837.40x = 144,677.34 × 57,091.68
  4. Step 4: Simplify right side
    104,837.40x = 8,259,872,398.53
  5. Step 5: Solve for x
    x = 8,259,872,398.53/104,837.40
  6. Step 6: Final answer
    x = 78,787.46

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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.