Home / 212,392.94-293,107.82-115,603.20

Finding the Fourth Proportional to 212,392.94, 293,107.82 and 115,603.20

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Solution

The fourth proportional to 212,392.94, 293,107.82 and 115,603.20 is: 159,535.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,392.94 : 293,107.82 = 115,603.20 : x
  2. Step 2: Convert to fraction form
    212,392.94/293,107.82 = 115,603.20/x
  3. Step 3: Cross multiply
    212,392.94x = 293,107.82 × 115,603.20
  4. Step 4: Simplify right side
    212,392.94x = 33,884,201,359.01
  5. Step 5: Solve for x
    x = 33,884,201,359.01/212,392.94
  6. Step 6: Final answer
    x = 159,535.44

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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.