Home / 94,150.39-129,930.21-51,711.67

Finding the Fourth Proportional to 94,150.39, 129,930.21 and 51,711.67

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Solution

The fourth proportional to 94,150.39, 129,930.21 and 51,711.67 is: 71,363.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,150.39 : 129,930.21 = 51,711.67 : x
  2. Step 2: Convert to fraction form
    94,150.39/129,930.21 = 51,711.67/x
  3. Step 3: Cross multiply
    94,150.39x = 129,930.21 × 51,711.67
  4. Step 4: Simplify right side
    94,150.39x = 6,718,908,142.55
  5. Step 5: Solve for x
    x = 6,718,908,142.55/94,150.39
  6. Step 6: Final answer
    x = 71,363.57

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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.