Home / 212,981.82-293,913.27-117,492.54

Finding the Fourth Proportional to 212,981.82, 293,913.27 and 117,492.54

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Solution

The fourth proportional to 212,981.82, 293,913.27 and 117,492.54 is: 162,138.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,981.82 : 293,913.27 = 117,492.54 : x
  2. Step 2: Convert to fraction form
    212,981.82/293,913.27 = 117,492.54/x
  3. Step 3: Cross multiply
    212,981.82x = 293,913.27 × 117,492.54
  4. Step 4: Simplify right side
    212,981.82x = 34,532,616,632.01
  5. Step 5: Solve for x
    x = 34,532,616,632.01/212,981.82
  6. Step 6: Final answer
    x = 162,138.80

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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.