Home / 188,715.94-283,066.62-70,387.09

Finding the Fourth Proportional to 188,715.94, 283,066.62 and 70,387.09

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Solution

The fourth proportional to 188,715.94, 283,066.62 and 70,387.09 is: 105,577.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,715.94 : 283,066.62 = 70,387.09 : x
  2. Step 2: Convert to fraction form
    188,715.94/283,066.62 = 70,387.09/x
  3. Step 3: Cross multiply
    188,715.94x = 283,066.62 × 70,387.09
  4. Step 4: Simplify right side
    188,715.94x = 19,924,235,657.94
  5. Step 5: Solve for x
    x = 19,924,235,657.94/188,715.94
  6. Step 6: Final answer
    x = 105,577.92

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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.