Home / 212,180.32-292,808.48-121,565.60

Finding the Fourth Proportional to 212,180.32, 292,808.48 and 121,565.60

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Solution

The fourth proportional to 212,180.32, 292,808.48 and 121,565.60 is: 167,760.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,180.32 : 292,808.48 = 121,565.60 : x
  2. Step 2: Convert to fraction form
    212,180.32/292,808.48 = 121,565.60/x
  3. Step 3: Cross multiply
    212,180.32x = 292,808.48 × 121,565.60
  4. Step 4: Simplify right side
    212,180.32x = 35,595,438,556.29
  5. Step 5: Solve for x
    x = 35,595,438,556.29/212,180.32
  6. Step 6: Final answer
    x = 167,760.32

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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.