Home / 212,983.34-293,917.83-117,488.66

Finding the Fourth Proportional to 212,983.34, 293,917.83 and 117,488.66

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Solution

The fourth proportional to 212,983.34, 293,917.83 and 117,488.66 is: 162,134.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,983.34 : 293,917.83 = 117,488.66 : x
  2. Step 2: Convert to fraction form
    212,983.34/293,917.83 = 117,488.66/x
  3. Step 3: Cross multiply
    212,983.34x = 293,917.83 × 117,488.66
  4. Step 4: Simplify right side
    212,983.34x = 34,532,011,996.81
  5. Step 5: Solve for x
    x = 34,532,011,996.81/212,983.34
  6. Step 6: Final answer
    x = 162,134.80

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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.