Home / 212,997.40-293,921.87-117,505.69

Finding the Fourth Proportional to 212,997.40, 293,921.87 and 117,505.69

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Solution

The fourth proportional to 212,997.40, 293,921.87 and 117,505.69 is: 162,149.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,997.40 : 293,921.87 = 117,505.69 : x
  2. Step 2: Convert to fraction form
    212,997.40/293,921.87 = 117,505.69/x
  3. Step 3: Cross multiply
    212,997.40x = 293,921.87 × 117,505.69
  4. Step 4: Simplify right side
    212,997.40x = 34,537,490,818.11
  5. Step 5: Solve for x
    x = 34,537,490,818.11/212,997.40
  6. Step 6: Final answer
    x = 162,149.83

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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.