Home / 130,037.48-195,112.56-45,857.79

Finding the Fourth Proportional to 130,037.48, 195,112.56 and 45,857.79

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Solution

The fourth proportional to 130,037.48, 195,112.56 and 45,857.79 is: 68,806.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,037.48 : 195,112.56 = 45,857.79 : x
  2. Step 2: Convert to fraction form
    130,037.48/195,112.56 = 45,857.79/x
  3. Step 3: Cross multiply
    130,037.48x = 195,112.56 × 45,857.79
  4. Step 4: Simplify right side
    130,037.48x = 8,947,430,974.81
  5. Step 5: Solve for x
    x = 8,947,430,974.81/130,037.48
  6. Step 6: Final answer
    x = 68,806.56

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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.