Home / 138,362.07-207,543.26-38,522.49

Finding the Fourth Proportional to 138,362.07, 207,543.26 and 38,522.49

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Solution

The fourth proportional to 138,362.07, 207,543.26 and 38,522.49 is: 57,783.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,362.07 : 207,543.26 = 38,522.49 : x
  2. Step 2: Convert to fraction form
    138,362.07/207,543.26 = 38,522.49/x
  3. Step 3: Cross multiply
    138,362.07x = 207,543.26 × 38,522.49
  4. Step 4: Simplify right side
    138,362.07x = 7,995,082,475.94
  5. Step 5: Solve for x
    x = 7,995,082,475.94/138,362.07
  6. Step 6: Final answer
    x = 57,783.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.