Home / 216,573.54-324,860.31-105,670.50

Finding the Fourth Proportional to 216,573.54, 324,860.31 and 105,670.50

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Solution

The fourth proportional to 216,573.54, 324,860.31 and 105,670.50 is: 158,505.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,573.54 : 324,860.31 = 105,670.50 : x
  2. Step 2: Convert to fraction form
    216,573.54/324,860.31 = 105,670.50/x
  3. Step 3: Cross multiply
    216,573.54x = 324,860.31 × 105,670.50
  4. Step 4: Simplify right side
    216,573.54x = 34,328,151,387.86
  5. Step 5: Solve for x
    x = 34,328,151,387.86/216,573.54
  6. Step 6: Final answer
    x = 158,505.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.