Home / 119,744.60-165,185.70-74,405.35

Finding the Fourth Proportional to 119,744.60, 165,185.70 and 74,405.35

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Solution

The fourth proportional to 119,744.60, 165,185.70 and 74,405.35 is: 102,640.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,744.60 : 165,185.70 = 74,405.35 : x
  2. Step 2: Convert to fraction form
    119,744.60/165,185.70 = 74,405.35/x
  3. Step 3: Cross multiply
    119,744.60x = 165,185.70 × 74,405.35
  4. Step 4: Simplify right side
    119,744.60x = 12,290,699,823.50
  5. Step 5: Solve for x
    x = 12,290,699,823.50/119,744.60
  6. Step 6: Final answer
    x = 102,640.96

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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.