Home / 216,137.07-298,259.55-120,641.58

Finding the Fourth Proportional to 216,137.07, 298,259.55 and 120,641.58

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Solution

The fourth proportional to 216,137.07, 298,259.55 and 120,641.58 is: 166,480.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,137.07 : 298,259.55 = 120,641.58 : x
  2. Step 2: Convert to fraction form
    216,137.07/298,259.55 = 120,641.58/x
  3. Step 3: Cross multiply
    216,137.07x = 298,259.55 × 120,641.58
  4. Step 4: Simplify right side
    216,137.07x = 35,982,503,362.09
  5. Step 5: Solve for x
    x = 35,982,503,362.09/216,137.07
  6. Step 6: Final answer
    x = 166,480.02

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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.