Home / 223,810.75-309,121.28-148,228.03

Finding the Fourth Proportional to 223,810.75, 309,121.28 and 148,228.03

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Solution

The fourth proportional to 223,810.75, 309,121.28 and 148,228.03 is: 204,728.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,810.75 : 309,121.28 = 148,228.03 : x
  2. Step 2: Convert to fraction form
    223,810.75/309,121.28 = 148,228.03/x
  3. Step 3: Cross multiply
    223,810.75x = 309,121.28 × 148,228.03
  4. Step 4: Simplify right side
    223,810.75x = 45,820,438,365.48
  5. Step 5: Solve for x
    x = 45,820,438,365.48/223,810.75
  6. Step 6: Final answer
    x = 204,728.50

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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.