Home / 212,779.68-293,635.95-117,288.43

Finding the Fourth Proportional to 212,779.68, 293,635.95 and 117,288.43

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Solution

The fourth proportional to 212,779.68, 293,635.95 and 117,288.43 is: 161,858.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,779.68 : 293,635.95 = 117,288.43 : x
  2. Step 2: Convert to fraction form
    212,779.68/293,635.95 = 117,288.43/x
  3. Step 3: Cross multiply
    212,779.68x = 293,635.95 × 117,288.43
  4. Step 4: Simplify right side
    212,779.68x = 34,440,099,567.06
  5. Step 5: Solve for x
    x = 34,440,099,567.06/212,779.68
  6. Step 6: Final answer
    x = 161,858.03

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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.