Home / 208,851.32-288,233.46-122,767.16

Finding the Fourth Proportional to 208,851.32, 288,233.46 and 122,767.16

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Solution

The fourth proportional to 208,851.32, 288,233.46 and 122,767.16 is: 169,429.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,851.32 : 288,233.46 = 122,767.16 : x
  2. Step 2: Convert to fraction form
    208,851.32/288,233.46 = 122,767.16/x
  3. Step 3: Cross multiply
    208,851.32x = 288,233.46 × 122,767.16
  4. Step 4: Simplify right side
    208,851.32x = 35,385,601,860.01
  5. Step 5: Solve for x
    x = 35,385,601,860.01/208,851.32
  6. Step 6: Final answer
    x = 169,429.63

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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.