Home / 145,236.85-200,519.65-96,907.79

Finding the Fourth Proportional to 145,236.85, 200,519.65 and 96,907.79

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Solution

The fourth proportional to 145,236.85, 200,519.65 and 96,907.79 is: 133,794.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,236.85 : 200,519.65 = 96,907.79 : x
  2. Step 2: Convert to fraction form
    145,236.85/200,519.65 = 96,907.79/x
  3. Step 3: Cross multiply
    145,236.85x = 200,519.65 × 96,907.79
  4. Step 4: Simplify right side
    145,236.85x = 19,431,916,755.51
  5. Step 5: Solve for x
    x = 19,431,916,755.51/145,236.85
  6. Step 6: Final answer
    x = 133,794.67

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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.