Home / 91,971.46-137,883.87-84,590.74

Finding the Fourth Proportional to 91,971.46, 137,883.87 and 84,590.74

Calculator

Solution

The fourth proportional to 91,971.46, 137,883.87 and 84,590.74 is: 126,818.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,971.46 : 137,883.87 = 84,590.74 : x
  2. Step 2: Convert to fraction form
    91,971.46/137,883.87 = 84,590.74/x
  3. Step 3: Cross multiply
    91,971.46x = 137,883.87 × 84,590.74
  4. Step 4: Simplify right side
    91,971.46x = 11,663,698,597.36
  5. Step 5: Solve for x
    x = 11,663,698,597.36/91,971.46
  6. Step 6: Final answer
    x = 126,818.67

Related Problems

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.