Home / 131,004.03-180,786.23-76,559.38

Finding the Fourth Proportional to 131,004.03, 180,786.23 and 76,559.38

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Solution

The fourth proportional to 131,004.03, 180,786.23 and 76,559.38 is: 105,652.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,004.03 : 180,786.23 = 76,559.38 : x
  2. Step 2: Convert to fraction form
    131,004.03/180,786.23 = 76,559.38/x
  3. Step 3: Cross multiply
    131,004.03x = 180,786.23 × 76,559.38
  4. Step 4: Simplify right side
    131,004.03x = 13,840,881,133.67
  5. Step 5: Solve for x
    x = 13,840,881,133.67/131,004.03
  6. Step 6: Final answer
    x = 105,652.33

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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.