Home / 212,108.97-292,709.66-116,615.37

Finding the Fourth Proportional to 212,108.97, 292,709.66 and 116,615.37

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Solution

The fourth proportional to 212,108.97, 292,709.66 and 116,615.37 is: 160,928.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,108.97 : 292,709.66 = 116,615.37 : x
  2. Step 2: Convert to fraction form
    212,108.97/292,709.66 = 116,615.37/x
  3. Step 3: Cross multiply
    212,108.97x = 292,709.66 × 116,615.37
  4. Step 4: Simplify right side
    212,108.97x = 34,134,444,720.40
  5. Step 5: Solve for x
    x = 34,134,444,720.40/212,108.97
  6. Step 6: Final answer
    x = 160,928.81

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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.