Home / 248,003.14-342,222.42-137,624.62

Finding the Fourth Proportional to 248,003.14, 342,222.42 and 137,624.62

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Solution

The fourth proportional to 248,003.14, 342,222.42 and 137,624.62 is: 189,909.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,003.14 : 342,222.42 = 137,624.62 : x
  2. Step 2: Convert to fraction form
    248,003.14/342,222.42 = 137,624.62/x
  3. Step 3: Cross multiply
    248,003.14x = 342,222.42 × 137,624.62
  4. Step 4: Simplify right side
    248,003.14x = 47,098,230,507.98
  5. Step 5: Solve for x
    x = 47,098,230,507.98/248,003.14
  6. Step 6: Final answer
    x = 189,909.82

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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.