Home / 243,172.12-335,576.22-141,222.64

Finding the Fourth Proportional to 243,172.12, 335,576.22 and 141,222.64

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Solution

The fourth proportional to 243,172.12, 335,576.22 and 141,222.64 is: 194,886.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,172.12 : 335,576.22 = 141,222.64 : x
  2. Step 2: Convert to fraction form
    243,172.12/335,576.22 = 141,222.64/x
  3. Step 3: Cross multiply
    243,172.12x = 335,576.22 × 141,222.64
  4. Step 4: Simplify right side
    243,172.12x = 47,390,959,709.62
  5. Step 5: Solve for x
    x = 47,390,959,709.62/243,172.12
  6. Step 6: Final answer
    x = 194,886.48

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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.