Home / 212,498.92-293,255.78-117,012.20

Finding the Fourth Proportional to 212,498.92, 293,255.78 and 117,012.20

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Solution

The fourth proportional to 212,498.92, 293,255.78 and 117,012.20 is: 161,480.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,498.92 : 293,255.78 = 117,012.20 : x
  2. Step 2: Convert to fraction form
    212,498.92/293,255.78 = 117,012.20/x
  3. Step 3: Cross multiply
    212,498.92x = 293,255.78 × 117,012.20
  4. Step 4: Simplify right side
    212,498.92x = 34,314,503,980.52
  5. Step 5: Solve for x
    x = 34,314,503,980.52/212,498.92
  6. Step 6: Final answer
    x = 161,480.84

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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.