Home / 194,731.80-291,935.70-82,498.20

Finding the Fourth Proportional to 194,731.80, 291,935.70 and 82,498.20

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Solution

The fourth proportional to 194,731.80, 291,935.70 and 82,498.20 is: 123,678.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,731.80 : 291,935.70 = 82,498.20 : x
  2. Step 2: Convert to fraction form
    194,731.80/291,935.70 = 82,498.20/x
  3. Step 3: Cross multiply
    194,731.80x = 291,935.70 × 82,498.20
  4. Step 4: Simplify right side
    194,731.80x = 24,084,169,765.74
  5. Step 5: Solve for x
    x = 24,084,169,765.74/194,731.80
  6. Step 6: Final answer
    x = 123,678.67

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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.