Home / 196,820.10-295,228.21-90,173.80

Finding the Fourth Proportional to 196,820.10, 295,228.21 and 90,173.80

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Solution

The fourth proportional to 196,820.10, 295,228.21 and 90,173.80 is: 135,259.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,820.10 : 295,228.21 = 90,173.80 : x
  2. Step 2: Convert to fraction form
    196,820.10/295,228.21 = 90,173.80/x
  3. Step 3: Cross multiply
    196,820.10x = 295,228.21 × 90,173.80
  4. Step 4: Simplify right side
    196,820.10x = 26,621,849,562.90
  5. Step 5: Solve for x
    x = 26,621,849,562.90/196,820.10
  6. Step 6: Final answer
    x = 135,259.81

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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.