Home / 198,239.34-297,200.43-103,421.94

Finding the Fourth Proportional to 198,239.34, 297,200.43 and 103,421.94

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Solution

The fourth proportional to 198,239.34, 297,200.43 and 103,421.94 is: 155,050.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,239.34 : 297,200.43 = 103,421.94 : x
  2. Step 2: Convert to fraction form
    198,239.34/297,200.43 = 103,421.94/x
  3. Step 3: Cross multiply
    198,239.34x = 297,200.43 × 103,421.94
  4. Step 4: Simplify right side
    198,239.34x = 30,737,045,039.43
  5. Step 5: Solve for x
    x = 30,737,045,039.43/198,239.34
  6. Step 6: Final answer
    x = 155,050.18

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1.5x scale

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.