Home / 104,875.43-144,723.66-57,129.17

Finding the Fourth Proportional to 104,875.43, 144,723.66 and 57,129.17

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Solution

The fourth proportional to 104,875.43, 144,723.66 and 57,129.17 is: 78,835.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,875.43 : 144,723.66 = 57,129.17 : x
  2. Step 2: Convert to fraction form
    104,875.43/144,723.66 = 57,129.17/x
  3. Step 3: Cross multiply
    104,875.43x = 144,723.66 × 57,129.17
  4. Step 4: Simplify right side
    104,875.43x = 8,267,942,575.16
  5. Step 5: Solve for x
    x = 8,267,942,575.16/104,875.43
  6. Step 6: Final answer
    x = 78,835.84

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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.