Home / 223,975.28-309,085.91-123,373.28

Finding the Fourth Proportional to 223,975.28, 309,085.91 and 123,373.28

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Solution

The fourth proportional to 223,975.28, 309,085.91 and 123,373.28 is: 170,255.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,975.28 : 309,085.91 = 123,373.28 : x
  2. Step 2: Convert to fraction form
    223,975.28/309,085.91 = 123,373.28/x
  3. Step 3: Cross multiply
    223,975.28x = 309,085.91 × 123,373.28
  4. Step 4: Simplify right side
    223,975.28x = 38,132,942,518.48
  5. Step 5: Solve for x
    x = 38,132,942,518.48/223,975.28
  6. Step 6: Final answer
    x = 170,255.14

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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.