Home / 216,045.24-324,100.26-75,779.16

Finding the Fourth Proportional to 216,045.24, 324,100.26 and 75,779.16

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Solution

The fourth proportional to 216,045.24, 324,100.26 and 75,779.16 is: 113,680.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,045.24 : 324,100.26 = 75,779.16 : x
  2. Step 2: Convert to fraction form
    216,045.24/324,100.26 = 75,779.16/x
  3. Step 3: Cross multiply
    216,045.24x = 324,100.26 × 75,779.16
  4. Step 4: Simplify right side
    216,045.24x = 24,560,045,458.58
  5. Step 5: Solve for x
    x = 24,560,045,458.58/216,045.24
  6. Step 6: Final answer
    x = 113,680.10

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1.5x scale

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.