Home / 130,379.09-195,568.63-83,927.21

Finding the Fourth Proportional to 130,379.09, 195,568.63 and 83,927.21

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Solution

The fourth proportional to 130,379.09, 195,568.63 and 83,927.21 is: 125,890.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,379.09 : 195,568.63 = 83,927.21 : x
  2. Step 2: Convert to fraction form
    130,379.09/195,568.63 = 83,927.21/x
  3. Step 3: Cross multiply
    130,379.09x = 195,568.63 × 83,927.21
  4. Step 4: Simplify right side
    130,379.09x = 16,413,528,291.76
  5. Step 5: Solve for x
    x = 16,413,528,291.76/130,379.09
  6. Step 6: Final answer
    x = 125,890.81

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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.