Home / 212,968.72-293,898-117,475.39

Finding the Fourth Proportional to 212,968.72, 293,898 and 117,475.39

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Solution

The fourth proportional to 212,968.72, 293,898 and 117,475.39 is: 162,116.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,968.72 : 293,898 = 117,475.39 : x
  2. Step 2: Convert to fraction form
    212,968.72/293,898 = 117,475.39/x
  3. Step 3: Cross multiply
    212,968.72x = 293,898 × 117,475.39
  4. Step 4: Simplify right side
    212,968.72x = 34,525,782,170.22
  5. Step 5: Solve for x
    x = 34,525,782,170.22/212,968.72
  6. Step 6: Final answer
    x = 162,116.68

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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.