Home / 149,208.48-223,812.72-140,084.64

Finding the Fourth Proportional to 149,208.48, 223,812.72 and 140,084.64

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Solution

The fourth proportional to 149,208.48, 223,812.72 and 140,084.64 is: 210,126.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,208.48 : 223,812.72 = 140,084.64 : x
  2. Step 2: Convert to fraction form
    149,208.48/223,812.72 = 140,084.64/x
  3. Step 3: Cross multiply
    149,208.48x = 223,812.72 × 140,084.64
  4. Step 4: Simplify right side
    149,208.48x = 31,352,724,308.62
  5. Step 5: Solve for x
    x = 31,352,724,308.62/149,208.48
  6. Step 6: Final answer
    x = 210,126.96

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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.