Home / 235,000.42-324,306.06-139,507.48

Finding the Fourth Proportional to 235,000.42, 324,306.06 and 139,507.48

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Solution

The fourth proportional to 235,000.42, 324,306.06 and 139,507.48 is: 192,523.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,000.42 : 324,306.06 = 139,507.48 : x
  2. Step 2: Convert to fraction form
    235,000.42/324,306.06 = 139,507.48/x
  3. Step 3: Cross multiply
    235,000.42x = 324,306.06 × 139,507.48
  4. Step 4: Simplify right side
    235,000.42x = 45,243,121,179.33
  5. Step 5: Solve for x
    x = 45,243,121,179.33/235,000.42
  6. Step 6: Final answer
    x = 192,523.58

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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.