Home / 212,856.56-293,784.60-122,274.65

Finding the Fourth Proportional to 212,856.56, 293,784.60 and 122,274.65

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Solution

The fourth proportional to 212,856.56, 293,784.60 and 122,274.65 is: 168,763.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,856.56 : 293,784.60 = 122,274.65 : x
  2. Step 2: Convert to fraction form
    212,856.56/293,784.60 = 122,274.65/x
  3. Step 3: Cross multiply
    212,856.56x = 293,784.60 × 122,274.65
  4. Step 4: Simplify right side
    212,856.56x = 35,922,409,140.39
  5. Step 5: Solve for x
    x = 35,922,409,140.39/212,856.56
  6. Step 6: Final answer
    x = 168,763.46

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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.