Home / 216,459.90-298,806.63-131,604.06

Finding the Fourth Proportional to 216,459.90, 298,806.63 and 131,604.06

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Solution

The fourth proportional to 216,459.90, 298,806.63 and 131,604.06 is: 181,669.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,459.90 : 298,806.63 = 131,604.06 : x
  2. Step 2: Convert to fraction form
    216,459.90/298,806.63 = 131,604.06/x
  3. Step 3: Cross multiply
    216,459.90x = 298,806.63 × 131,604.06
  4. Step 4: Simplify right side
    216,459.90x = 39,324,165,662.92
  5. Step 5: Solve for x
    x = 39,324,165,662.92/216,459.90
  6. Step 6: Final answer
    x = 181,669.52

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1.5x scale

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.