Home / 154,037.82-212,548.23-86,968.38

Finding the Fourth Proportional to 154,037.82, 212,548.23 and 86,968.38

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Solution

The fourth proportional to 154,037.82, 212,548.23 and 86,968.38 is: 120,002.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,037.82 : 212,548.23 = 86,968.38 : x
  2. Step 2: Convert to fraction form
    154,037.82/212,548.23 = 86,968.38/x
  3. Step 3: Cross multiply
    154,037.82x = 212,548.23 × 86,968.38
  4. Step 4: Simplify right side
    154,037.82x = 18,484,975,234.97
  5. Step 5: Solve for x
    x = 18,484,975,234.97/154,037.82
  6. Step 6: Final answer
    x = 120,002.84

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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.