Home / 216,559.14-298,860.89-121,065.81

Finding the Fourth Proportional to 216,559.14, 298,860.89 and 121,065.81

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Solution

The fourth proportional to 216,559.14, 298,860.89 and 121,065.81 is: 167,076.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,559.14 : 298,860.89 = 121,065.81 : x
  2. Step 2: Convert to fraction form
    216,559.14/298,860.89 = 121,065.81/x
  3. Step 3: Cross multiply
    216,559.14x = 298,860.89 × 121,065.81
  4. Step 4: Simplify right side
    216,559.14x = 36,181,835,119.84
  5. Step 5: Solve for x
    x = 36,181,835,119.84/216,559.14
  6. Step 6: Final answer
    x = 167,076.00

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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.