Home / 105,937.40-146,194.68-57,539.79

Finding the Fourth Proportional to 105,937.40, 146,194.68 and 57,539.79

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Solution

The fourth proportional to 105,937.40, 146,194.68 and 57,539.79 is: 79,405.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,937.40 : 146,194.68 = 57,539.79 : x
  2. Step 2: Convert to fraction form
    105,937.40/146,194.68 = 57,539.79/x
  3. Step 3: Cross multiply
    105,937.40x = 146,194.68 × 57,539.79
  4. Step 4: Simplify right side
    105,937.40x = 8,412,011,734.55
  5. Step 5: Solve for x
    x = 8,412,011,734.55/105,937.40
  6. Step 6: Final answer
    x = 79,405.50

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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.