Home / 130,395.45-179,933.63-73,806.83

Finding the Fourth Proportional to 130,395.45, 179,933.63 and 73,806.83

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Solution

The fourth proportional to 130,395.45, 179,933.63 and 73,806.83 is: 101,846.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,395.45 : 179,933.63 = 73,806.83 : x
  2. Step 2: Convert to fraction form
    130,395.45/179,933.63 = 73,806.83/x
  3. Step 3: Cross multiply
    130,395.45x = 179,933.63 × 73,806.83
  4. Step 4: Simplify right side
    130,395.45x = 13,280,329,571.99
  5. Step 5: Solve for x
    x = 13,280,329,571.99/130,395.45
  6. Step 6: Final answer
    x = 101,846.57

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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.