Home / 119,191.28-178,809.96-40,318.34

Finding the Fourth Proportional to 119,191.28, 178,809.96 and 40,318.34

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Solution

The fourth proportional to 119,191.28, 178,809.96 and 40,318.34 is: 60,485.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,191.28 : 178,809.96 = 40,318.34 : x
  2. Step 2: Convert to fraction form
    119,191.28/178,809.96 = 40,318.34/x
  3. Step 3: Cross multiply
    119,191.28x = 178,809.96 × 40,318.34
  4. Step 4: Simplify right side
    119,191.28x = 7,209,320,762.67
  5. Step 5: Solve for x
    x = 7,209,320,762.67/119,191.28
  6. Step 6: Final answer
    x = 60,485.30

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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.