Home / 198,433.04-273,909.48-131,386.64

Finding the Fourth Proportional to 198,433.04, 273,909.48 and 131,386.64

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Solution

The fourth proportional to 198,433.04, 273,909.48 and 131,386.64 is: 181,361.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,433.04 : 273,909.48 = 131,386.64 : x
  2. Step 2: Convert to fraction form
    198,433.04/273,909.48 = 131,386.64/x
  3. Step 3: Cross multiply
    198,433.04x = 273,909.48 × 131,386.64
  4. Step 4: Simplify right side
    198,433.04x = 35,988,046,241.35
  5. Step 5: Solve for x
    x = 35,988,046,241.35/198,433.04
  6. Step 6: Final answer
    x = 181,361.16

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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.