Home / 212,922.63-293,759.04-136,483.88

Finding the Fourth Proportional to 212,922.63, 293,759.04 and 136,483.88

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Solution

The fourth proportional to 212,922.63, 293,759.04 and 136,483.88 is: 188,300.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,922.63 : 293,759.04 = 136,483.88 : x
  2. Step 2: Convert to fraction form
    212,922.63/293,759.04 = 136,483.88/x
  3. Step 3: Cross multiply
    212,922.63x = 293,759.04 × 136,483.88
  4. Step 4: Simplify right side
    212,922.63x = 40,093,373,564.28
  5. Step 5: Solve for x
    x = 40,093,373,564.28/212,922.63
  6. Step 6: Final answer
    x = 188,300.20

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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.