Home / 243,076.20-364,612.68-130,809.24

Finding the Fourth Proportional to 243,076.20, 364,612.68 and 130,809.24

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Solution

The fourth proportional to 243,076.20, 364,612.68 and 130,809.24 is: 196,212.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,076.20 : 364,612.68 = 130,809.24 : x
  2. Step 2: Convert to fraction form
    243,076.20/364,612.68 = 130,809.24/x
  3. Step 3: Cross multiply
    243,076.20x = 364,612.68 × 130,809.24
  4. Step 4: Simplify right side
    243,076.20x = 47,694,707,565.16
  5. Step 5: Solve for x
    x = 47,694,707,565.16/243,076.20
  6. Step 6: Final answer
    x = 196,212.99

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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.