Home / 144,025.40-215,940.90-76,568.60

Finding the Fourth Proportional to 144,025.40, 215,940.90 and 76,568.60

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Solution

The fourth proportional to 144,025.40, 215,940.90 and 76,568.60 is: 114,801.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,025.40 : 215,940.90 = 76,568.60 : x
  2. Step 2: Convert to fraction form
    144,025.40/215,940.90 = 76,568.60/x
  3. Step 3: Cross multiply
    144,025.40x = 215,940.90 × 76,568.60
  4. Step 4: Simplify right side
    144,025.40x = 16,534,292,395.74
  5. Step 5: Solve for x
    x = 16,534,292,395.74/144,025.40
  6. Step 6: Final answer
    x = 114,801.23

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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.