Home / 131,055.40-196,631.70-52,226.20

Finding the Fourth Proportional to 131,055.40, 196,631.70 and 52,226.20

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Solution

The fourth proportional to 131,055.40, 196,631.70 and 52,226.20 is: 78,358.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,055.40 : 196,631.70 = 52,226.20 : x
  2. Step 2: Convert to fraction form
    131,055.40/196,631.70 = 52,226.20/x
  3. Step 3: Cross multiply
    131,055.40x = 196,631.70 × 52,226.20
  4. Step 4: Simplify right side
    131,055.40x = 10,269,326,490.54
  5. Step 5: Solve for x
    x = 10,269,326,490.54/131,055.40
  6. Step 6: Final answer
    x = 78,358.67

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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.