Home / 131,446.10-197,169.15-105,202.10

Finding the Fourth Proportional to 131,446.10, 197,169.15 and 105,202.10

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Solution

The fourth proportional to 131,446.10, 197,169.15 and 105,202.10 is: 157,803.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,446.10 : 197,169.15 = 105,202.10 : x
  2. Step 2: Convert to fraction form
    131,446.10/197,169.15 = 105,202.10/x
  3. Step 3: Cross multiply
    131,446.10x = 197,169.15 × 105,202.10
  4. Step 4: Simplify right side
    131,446.10x = 20,742,608,635.22
  5. Step 5: Solve for x
    x = 20,742,608,635.22/131,446.10
  6. Step 6: Final answer
    x = 157,803.15

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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.