Home / 72,195.16-108,291.48-30,097.84

Finding the Fourth Proportional to 72,195.16, 108,291.48 and 30,097.84

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Solution

The fourth proportional to 72,195.16, 108,291.48 and 30,097.84 is: 45,146.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,195.16 : 108,291.48 = 30,097.84 : x
  2. Step 2: Convert to fraction form
    72,195.16/108,291.48 = 30,097.84/x
  3. Step 3: Cross multiply
    72,195.16x = 108,291.48 × 30,097.84
  4. Step 4: Simplify right side
    72,195.16x = 3,259,339,638.40
  5. Step 5: Solve for x
    x = 3,259,339,638.40/72,195.16
  6. Step 6: Final answer
    x = 45,146.23

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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.