Home / 141,231.94-211,847.58-88,678.30

Finding the Fourth Proportional to 141,231.94, 211,847.58 and 88,678.30

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Solution

The fourth proportional to 141,231.94, 211,847.58 and 88,678.30 is: 133,017.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,231.94 : 211,847.58 = 88,678.30 : x
  2. Step 2: Convert to fraction form
    141,231.94/211,847.58 = 88,678.30/x
  3. Step 3: Cross multiply
    141,231.94x = 211,847.58 × 88,678.30
  4. Step 4: Simplify right side
    141,231.94x = 18,786,283,253.51
  5. Step 5: Solve for x
    x = 18,786,283,253.51/141,231.94
  6. Step 6: Final answer
    x = 133,017.24

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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.