Home / 212,121.83-292,720.64-116,627.78

Finding the Fourth Proportional to 212,121.83, 292,720.64 and 116,627.78

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Solution

The fourth proportional to 212,121.83, 292,720.64 and 116,627.78 is: 160,942.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,121.83 : 292,720.64 = 116,627.78 : x
  2. Step 2: Convert to fraction form
    212,121.83/292,720.64 = 116,627.78/x
  3. Step 3: Cross multiply
    212,121.83x = 292,720.64 × 116,627.78
  4. Step 4: Simplify right side
    212,121.83x = 34,139,358,552.04
  5. Step 5: Solve for x
    x = 34,139,358,552.04/212,121.83
  6. Step 6: Final answer
    x = 160,942.22

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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.