Home / 212,814.30-293,698.31-130,063.85

Finding the Fourth Proportional to 212,814.30, 293,698.31 and 130,063.85

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Solution

The fourth proportional to 212,814.30, 293,698.31 and 130,063.85 is: 179,497.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,814.30 : 293,698.31 = 130,063.85 : x
  2. Step 2: Convert to fraction form
    212,814.30/293,698.31 = 130,063.85/x
  3. Step 3: Cross multiply
    212,814.30x = 293,698.31 × 130,063.85
  4. Step 4: Simplify right side
    212,814.30x = 38,199,532,937.09
  5. Step 5: Solve for x
    x = 38,199,532,937.09/212,814.30
  6. Step 6: Final answer
    x = 179,497.02

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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.