Home / 216,623.65-324,810.41-66,823.72

Finding the Fourth Proportional to 216,623.65, 324,810.41 and 66,823.72

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Solution

The fourth proportional to 216,623.65, 324,810.41 and 66,823.72 is: 100,197.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,623.65 : 324,810.41 = 66,823.72 : x
  2. Step 2: Convert to fraction form
    216,623.65/324,810.41 = 66,823.72/x
  3. Step 3: Cross multiply
    216,623.65x = 324,810.41 × 66,823.72
  4. Step 4: Simplify right side
    216,623.65x = 21,705,038,744.78
  5. Step 5: Solve for x
    x = 21,705,038,744.78/216,623.65
  6. Step 6: Final answer
    x = 100,197.00

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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.