Home / 130,205.05-195,323.20-45,947.81

Finding the Fourth Proportional to 130,205.05, 195,323.20 and 45,947.81

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Solution

The fourth proportional to 130,205.05, 195,323.20 and 45,947.81 is: 68,927.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,205.05 : 195,323.20 = 45,947.81 : x
  2. Step 2: Convert to fraction form
    130,205.05/195,323.20 = 45,947.81/x
  3. Step 3: Cross multiply
    130,205.05x = 195,323.20 × 45,947.81
  4. Step 4: Simplify right side
    130,205.05x = 8,974,673,655.63
  5. Step 5: Solve for x
    x = 8,974,673,655.63/130,205.05
  6. Step 6: Final answer
    x = 68,927.23

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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.