Home / 216,552.02-298,794.84-121,055.45

Finding the Fourth Proportional to 216,552.02, 298,794.84 and 121,055.45

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Solution

The fourth proportional to 216,552.02, 298,794.84 and 121,055.45 is: 167,030.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,552.02 : 298,794.84 = 121,055.45 : x
  2. Step 2: Convert to fraction form
    216,552.02/298,794.84 = 121,055.45/x
  3. Step 3: Cross multiply
    216,552.02x = 298,794.84 × 121,055.45
  4. Step 4: Simplify right side
    216,552.02x = 36,170,743,813.88
  5. Step 5: Solve for x
    x = 36,170,743,813.88/216,552.02
  6. Step 6: Final answer
    x = 167,030.28

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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.