Home / 211,859.25-292,391.69-122,435.25

Finding the Fourth Proportional to 211,859.25, 292,391.69 and 122,435.25

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Solution

The fourth proportional to 211,859.25, 292,391.69 and 122,435.25 is: 168,975.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,859.25 : 292,391.69 = 122,435.25 : x
  2. Step 2: Convert to fraction form
    211,859.25/292,391.69 = 122,435.25/x
  3. Step 3: Cross multiply
    211,859.25x = 292,391.69 × 122,435.25
  4. Step 4: Simplify right side
    211,859.25x = 35,799,049,050.90
  5. Step 5: Solve for x
    x = 35,799,049,050.90/211,859.25
  6. Step 6: Final answer
    x = 168,975.62

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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.