Home / 243,018.20-364,527.30-109,902.80

Finding the Fourth Proportional to 243,018.20, 364,527.30 and 109,902.80

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Solution

The fourth proportional to 243,018.20, 364,527.30 and 109,902.80 is: 164,854.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,018.20 : 364,527.30 = 109,902.80 : x
  2. Step 2: Convert to fraction form
    243,018.20/364,527.30 = 109,902.80/x
  3. Step 3: Cross multiply
    243,018.20x = 364,527.30 × 109,902.80
  4. Step 4: Simplify right side
    243,018.20x = 40,062,570,946.44
  5. Step 5: Solve for x
    x = 40,062,570,946.44/243,018.20
  6. Step 6: Final answer
    x = 164,854.20

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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.