Home / 128,325.06-192,504.20-49,461.84

Finding the Fourth Proportional to 128,325.06, 192,504.20 and 49,461.84

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Solution

The fourth proportional to 128,325.06, 192,504.20 and 49,461.84 is: 74,199.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,325.06 : 192,504.20 = 49,461.84 : x
  2. Step 2: Convert to fraction form
    128,325.06/192,504.20 = 49,461.84/x
  3. Step 3: Cross multiply
    128,325.06x = 192,504.20 × 49,461.84
  4. Step 4: Simplify right side
    128,325.06x = 9,521,611,692.42
  5. Step 5: Solve for x
    x = 9,521,611,692.42/128,325.06
  6. Step 6: Final answer
    x = 74,199.16

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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.