Home / 198,342.37-297,381.58-102,339.45

Finding the Fourth Proportional to 198,342.37, 297,381.58 and 102,339.45

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Solution

The fourth proportional to 198,342.37, 297,381.58 and 102,339.45 is: 153,441.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,342.37 : 297,381.58 = 102,339.45 : x
  2. Step 2: Convert to fraction form
    198,342.37/297,381.58 = 102,339.45/x
  3. Step 3: Cross multiply
    198,342.37x = 297,381.58 × 102,339.45
  4. Step 4: Simplify right side
    198,342.37x = 30,433,867,081.48
  5. Step 5: Solve for x
    x = 30,433,867,081.48/198,342.37
  6. Step 6: Final answer
    x = 153,441.08

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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.