Home / 213,028.92-293,970.06-117,520.20

Finding the Fourth Proportional to 213,028.92, 293,970.06 and 117,520.20

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Solution

The fourth proportional to 213,028.92, 293,970.06 and 117,520.20 is: 162,172.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,028.92 : 293,970.06 = 117,520.20 : x
  2. Step 2: Convert to fraction form
    213,028.92/293,970.06 = 117,520.20/x
  3. Step 3: Cross multiply
    213,028.92x = 293,970.06 × 117,520.20
  4. Step 4: Simplify right side
    213,028.92x = 34,547,420,245.21
  5. Step 5: Solve for x
    x = 34,547,420,245.21/213,028.92
  6. Step 6: Final answer
    x = 162,172.44

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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.