Home / 198,129.20-297,193.80-73,444.40

Finding the Fourth Proportional to 198,129.20, 297,193.80 and 73,444.40

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Solution

The fourth proportional to 198,129.20, 297,193.80 and 73,444.40 is: 110,166.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,129.20 : 297,193.80 = 73,444.40 : x
  2. Step 2: Convert to fraction form
    198,129.20/297,193.80 = 73,444.40/x
  3. Step 3: Cross multiply
    198,129.20x = 297,193.80 × 73,444.40
  4. Step 4: Simplify right side
    198,129.20x = 21,827,220,324.72
  5. Step 5: Solve for x
    x = 21,827,220,324.72/198,129.20
  6. Step 6: Final answer
    x = 110,166.60

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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.