Home / 217,132.72-325,636.67-74,941.07

Finding the Fourth Proportional to 217,132.72, 325,636.67 and 74,941.07

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Solution

The fourth proportional to 217,132.72, 325,636.67 and 74,941.07 is: 112,390.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,132.72 : 325,636.67 = 74,941.07 : x
  2. Step 2: Convert to fraction form
    217,132.72/325,636.67 = 74,941.07/x
  3. Step 3: Cross multiply
    217,132.72x = 325,636.67 × 74,941.07
  4. Step 4: Simplify right side
    217,132.72x = 24,403,559,040.21
  5. Step 5: Solve for x
    x = 24,403,559,040.21/217,132.72
  6. Step 6: Final answer
    x = 112,390.06

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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.