Home / 131,018.46-196,479.34-46,756.08

Finding the Fourth Proportional to 131,018.46, 196,479.34 and 46,756.08

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Solution

The fourth proportional to 131,018.46, 196,479.34 and 46,756.08 is: 70,116.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,018.46 : 196,479.34 = 46,756.08 : x
  2. Step 2: Convert to fraction form
    131,018.46/196,479.34 = 46,756.08/x
  3. Step 3: Cross multiply
    131,018.46x = 196,479.34 × 46,756.08
  4. Step 4: Simplify right side
    131,018.46x = 9,186,603,739.39
  5. Step 5: Solve for x
    x = 9,186,603,739.39/131,018.46
  6. Step 6: Final answer
    x = 70,116.87

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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.