Home / 142,769.09-214,154.12-36,153

Finding the Fourth Proportional to 142,769.09, 214,154.12 and 36,153

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Solution

The fourth proportional to 142,769.09, 214,154.12 and 36,153 is: 54,229.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,769.09 : 214,154.12 = 36,153 : x
  2. Step 2: Convert to fraction form
    142,769.09/214,154.12 = 36,153/x
  3. Step 3: Cross multiply
    142,769.09x = 214,154.12 × 36,153
  4. Step 4: Simplify right side
    142,769.09x = 7,742,313,990.74
  5. Step 5: Solve for x
    x = 7,742,313,990.74/142,769.09
  6. Step 6: Final answer
    x = 54,229.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.