Home / 243,704.16-336,309.84-136,274.40

Finding the Fourth Proportional to 243,704.16, 336,309.84 and 136,274.40

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Solution

The fourth proportional to 243,704.16, 336,309.84 and 136,274.40 is: 188,057.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,704.16 : 336,309.84 = 136,274.40 : x
  2. Step 2: Convert to fraction form
    243,704.16/336,309.84 = 136,274.40/x
  3. Step 3: Cross multiply
    243,704.16x = 336,309.84 × 136,274.40
  4. Step 4: Simplify right side
    243,704.16x = 45,830,421,660.10
  5. Step 5: Solve for x
    x = 45,830,421,660.10/243,704.16
  6. Step 6: Final answer
    x = 188,057.61

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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.