Home / 216,485.51-298,750.41-120,992.18

Finding the Fourth Proportional to 216,485.51, 298,750.41 and 120,992.18

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Solution

The fourth proportional to 216,485.51, 298,750.41 and 120,992.18 is: 166,969.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,485.51 : 298,750.41 = 120,992.18 : x
  2. Step 2: Convert to fraction form
    216,485.51/298,750.41 = 120,992.18/x
  3. Step 3: Cross multiply
    216,485.51x = 298,750.41 × 120,992.18
  4. Step 4: Simplify right side
    216,485.51x = 36,146,461,888.04
  5. Step 5: Solve for x
    x = 36,146,461,888.04/216,485.51
  6. Step 6: Final answer
    x = 166,969.43

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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.