Home / 131,406.10-197,109.15-36,636.10

Finding the Fourth Proportional to 131,406.10, 197,109.15 and 36,636.10

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Solution

The fourth proportional to 131,406.10, 197,109.15 and 36,636.10 is: 54,954.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,406.10 : 197,109.15 = 36,636.10 : x
  2. Step 2: Convert to fraction form
    131,406.10/197,109.15 = 36,636.10/x
  3. Step 3: Cross multiply
    131,406.10x = 197,109.15 × 36,636.10
  4. Step 4: Simplify right side
    131,406.10x = 7,221,310,530.32
  5. Step 5: Solve for x
    x = 7,221,310,530.32/131,406.10
  6. Step 6: Final answer
    x = 54,954.15

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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.