Home / 214,664.64-296,373.29-138,211.98

Finding the Fourth Proportional to 214,664.64, 296,373.29 and 138,211.98

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Solution

The fourth proportional to 214,664.64, 296,373.29 and 138,211.98 is: 190,820.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,664.64 : 296,373.29 = 138,211.98 : x
  2. Step 2: Convert to fraction form
    214,664.64/296,373.29 = 138,211.98/x
  3. Step 3: Cross multiply
    214,664.64x = 296,373.29 × 138,211.98
  4. Step 4: Simplify right side
    214,664.64x = 40,962,339,230.01
  5. Step 5: Solve for x
    x = 40,962,339,230.01/214,664.64
  6. Step 6: Final answer
    x = 190,820.15

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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.