Home / 109,135.55-150,627.72-68,318.67

Finding the Fourth Proportional to 109,135.55, 150,627.72 and 68,318.67

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Solution

The fourth proportional to 109,135.55, 150,627.72 and 68,318.67 is: 94,292.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,135.55 : 150,627.72 = 68,318.67 : x
  2. Step 2: Convert to fraction form
    109,135.55/150,627.72 = 68,318.67/x
  3. Step 3: Cross multiply
    109,135.55x = 150,627.72 × 68,318.67
  4. Step 4: Simplify right side
    109,135.55x = 10,290,685,495.53
  5. Step 5: Solve for x
    x = 10,290,685,495.53/109,135.55
  6. Step 6: Final answer
    x = 94,292.70

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1.5x scale

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.