Home / 212,785.74-293,642.37-115,989.57

Finding the Fourth Proportional to 212,785.74, 293,642.37 and 115,989.57

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Solution

The fourth proportional to 212,785.74, 293,642.37 and 115,989.57 is: 160,064.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,785.74 : 293,642.37 = 115,989.57 : x
  2. Step 2: Convert to fraction form
    212,785.74/293,642.37 = 115,989.57/x
  3. Step 3: Cross multiply
    212,785.74x = 293,642.37 × 115,989.57
  4. Step 4: Simplify right side
    212,785.74x = 34,059,452,230.08
  5. Step 5: Solve for x
    x = 34,059,452,230.08/212,785.74
  6. Step 6: Final answer
    x = 160,064.54

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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.