Home / 212,323.22-292,972.60-121,661.74

Finding the Fourth Proportional to 212,323.22, 292,972.60 and 121,661.74

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Solution

The fourth proportional to 212,323.22, 292,972.60 and 121,661.74 is: 167,874.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,323.22 : 292,972.60 = 121,661.74 : x
  2. Step 2: Convert to fraction form
    212,323.22/292,972.60 = 121,661.74/x
  3. Step 3: Cross multiply
    212,323.22x = 292,972.60 × 121,661.74
  4. Step 4: Simplify right side
    212,323.22x = 35,643,556,288.32
  5. Step 5: Solve for x
    x = 35,643,556,288.32/212,323.22
  6. Step 6: Final answer
    x = 167,874.04

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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.