Home / 148,478.50-222,611.94-69,549.67

Finding the Fourth Proportional to 148,478.50, 222,611.94 and 69,549.67

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Solution

The fourth proportional to 148,478.50, 222,611.94 and 69,549.67 is: 104,274.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,478.50 : 222,611.94 = 69,549.67 : x
  2. Step 2: Convert to fraction form
    148,478.50/222,611.94 = 69,549.67/x
  3. Step 3: Cross multiply
    148,478.50x = 222,611.94 × 69,549.67
  4. Step 4: Simplify right side
    148,478.50x = 15,482,586,965.06
  5. Step 5: Solve for x
    x = 15,482,586,965.06/148,478.50
  6. Step 6: Final answer
    x = 104,274.94

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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.