Home / 211,629.09-292,002.53-122,153.25

Finding the Fourth Proportional to 211,629.09, 292,002.53 and 122,153.25

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Solution

The fourth proportional to 211,629.09, 292,002.53 and 122,153.25 is: 168,545.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,629.09 : 292,002.53 = 122,153.25 : x
  2. Step 2: Convert to fraction form
    211,629.09/292,002.53 = 122,153.25/x
  3. Step 3: Cross multiply
    211,629.09x = 292,002.53 × 122,153.25
  4. Step 4: Simplify right side
    211,629.09x = 35,669,057,436.96
  5. Step 5: Solve for x
    x = 35,669,057,436.96/211,629.09
  6. Step 6: Final answer
    x = 168,545.15

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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.