Home / 148,311.54-222,312.57-73,384.92

Finding the Fourth Proportional to 148,311.54, 222,312.57 and 73,384.92

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Solution

The fourth proportional to 148,311.54, 222,312.57 and 73,384.92 is: 110,000.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,311.54 : 222,312.57 = 73,384.92 : x
  2. Step 2: Convert to fraction form
    148,311.54/222,312.57 = 73,384.92/x
  3. Step 3: Cross multiply
    148,311.54x = 222,312.57 × 73,384.92
  4. Step 4: Simplify right side
    148,311.54x = 16,314,390,164.44
  5. Step 5: Solve for x
    x = 16,314,390,164.44/148,311.54
  6. Step 6: Final answer
    x = 110,000.81

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1.5x scale

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.