Home / 117,756.75-162,435.14-74,079.85

Finding the Fourth Proportional to 117,756.75, 162,435.14 and 74,079.85

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Solution

The fourth proportional to 117,756.75, 162,435.14 and 74,079.85 is: 102,186.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,756.75 : 162,435.14 = 74,079.85 : x
  2. Step 2: Convert to fraction form
    117,756.75/162,435.14 = 74,079.85/x
  3. Step 3: Cross multiply
    117,756.75x = 162,435.14 × 74,079.85
  4. Step 4: Simplify right side
    117,756.75x = 12,033,169,623.35
  5. Step 5: Solve for x
    x = 12,033,169,623.35/117,756.75
  6. Step 6: Final answer
    x = 102,186.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.