Home / 198,598.33-297,803.64-72,150.40

Finding the Fourth Proportional to 198,598.33, 297,803.64 and 72,150.40

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Solution

The fourth proportional to 198,598.33, 297,803.64 and 72,150.40 is: 108,191.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,598.33 : 297,803.64 = 72,150.40 : x
  2. Step 2: Convert to fraction form
    198,598.33/297,803.64 = 72,150.40/x
  3. Step 3: Cross multiply
    198,598.33x = 297,803.64 × 72,150.40
  4. Step 4: Simplify right side
    198,598.33x = 21,486,650,309.28
  5. Step 5: Solve for x
    x = 21,486,650,309.28/198,598.33
  6. Step 6: Final answer
    x = 108,191.49

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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.