Home / 217,441.08-299,941.26-136,740.60

Finding the Fourth Proportional to 217,441.08, 299,941.26 and 136,740.60

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Solution

The fourth proportional to 217,441.08, 299,941.26 and 136,740.60 is: 188,621.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,441.08 : 299,941.26 = 136,740.60 : x
  2. Step 2: Convert to fraction form
    217,441.08/299,941.26 = 136,740.60/x
  3. Step 3: Cross multiply
    217,441.08x = 299,941.26 × 136,740.60
  4. Step 4: Simplify right side
    217,441.08x = 41,014,147,857.16
  5. Step 5: Solve for x
    x = 41,014,147,857.16/217,441.08
  6. Step 6: Final answer
    x = 188,621.89

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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.