Home / 212,807.66-293,675.46-117,312.26

Finding the Fourth Proportional to 212,807.66, 293,675.46 and 117,312.26

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Solution

The fourth proportional to 212,807.66, 293,675.46 and 117,312.26 is: 161,891.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,807.66 : 293,675.46 = 117,312.26 : x
  2. Step 2: Convert to fraction form
    212,807.66/293,675.46 = 117,312.26/x
  3. Step 3: Cross multiply
    212,807.66x = 293,675.46 × 117,312.26
  4. Step 4: Simplify right side
    212,807.66x = 34,451,731,919.14
  5. Step 5: Solve for x
    x = 34,451,731,919.14/212,807.66
  6. Step 6: Final answer
    x = 161,891.41

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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.