Home / 212,287.56-292,923.44-121,626.06

Finding the Fourth Proportional to 212,287.56, 292,923.44 and 121,626.06

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Solution

The fourth proportional to 212,287.56, 292,923.44 and 121,626.06 is: 167,824.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,287.56 : 292,923.44 = 121,626.06 : x
  2. Step 2: Convert to fraction form
    212,287.56/292,923.44 = 121,626.06/x
  3. Step 3: Cross multiply
    212,287.56x = 292,923.44 × 121,626.06
  4. Step 4: Simplify right side
    212,287.56x = 35,627,123,888.85
  5. Step 5: Solve for x
    x = 35,627,123,888.85/212,287.56
  6. Step 6: Final answer
    x = 167,824.83

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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.