Home / 198,313.50-273,664.90-107,667.40

Finding the Fourth Proportional to 198,313.50, 273,664.90 and 107,667.40

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Solution

The fourth proportional to 198,313.50, 273,664.90 and 107,667.40 is: 148,576.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,313.50 : 273,664.90 = 107,667.40 : x
  2. Step 2: Convert to fraction form
    198,313.50/273,664.90 = 107,667.40/x
  3. Step 3: Cross multiply
    198,313.50x = 273,664.90 × 107,667.40
  4. Step 4: Simplify right side
    198,313.50x = 29,464,788,254.26
  5. Step 5: Solve for x
    x = 29,464,788,254.26/198,313.50
  6. Step 6: Final answer
    x = 148,576.82

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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.