Home / 212,984.18-293,918.19-117,491.12

Finding the Fourth Proportional to 212,984.18, 293,918.19 and 117,491.12

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Solution

The fourth proportional to 212,984.18, 293,918.19 and 117,491.12 is: 162,137.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,984.18 : 293,918.19 = 117,491.12 : x
  2. Step 2: Convert to fraction form
    212,984.18/293,918.19 = 117,491.12/x
  3. Step 3: Cross multiply
    212,984.18x = 293,918.19 × 117,491.12
  4. Step 4: Simplify right side
    212,984.18x = 34,532,777,331.47
  5. Step 5: Solve for x
    x = 34,532,777,331.47/212,984.18
  6. Step 6: Final answer
    x = 162,137.76

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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.