Home / 212,787.78-293,646.86-117,296.07

Finding the Fourth Proportional to 212,787.78, 293,646.86 and 117,296.07

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Solution

The fourth proportional to 212,787.78, 293,646.86 and 117,296.07 is: 161,868.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,787.78 : 293,646.86 = 117,296.07 : x
  2. Step 2: Convert to fraction form
    212,787.78/293,646.86 = 117,296.07/x
  3. Step 3: Cross multiply
    212,787.78x = 293,646.86 × 117,296.07
  4. Step 4: Simplify right side
    212,787.78x = 34,443,622,059.36
  5. Step 5: Solve for x
    x = 34,443,622,059.36/212,787.78
  6. Step 6: Final answer
    x = 161,868.42

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1.5x scale

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.