Home / 231,866.20-320,007.54-146,991.16

Finding the Fourth Proportional to 231,866.20, 320,007.54 and 146,991.16

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Solution

The fourth proportional to 231,866.20, 320,007.54 and 146,991.16 is: 202,868.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,866.20 : 320,007.54 = 146,991.16 : x
  2. Step 2: Convert to fraction form
    231,866.20/320,007.54 = 146,991.16/x
  3. Step 3: Cross multiply
    231,866.20x = 320,007.54 × 146,991.16
  4. Step 4: Simplify right side
    231,866.20x = 47,038,279,513.35
  5. Step 5: Solve for x
    x = 47,038,279,513.35/231,866.20
  6. Step 6: Final answer
    x = 202,868.20

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1.5x scale

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.