Home / 190,665.45-285,999.84-48,510.85

Finding the Fourth Proportional to 190,665.45, 285,999.84 and 48,510.85

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Solution

The fourth proportional to 190,665.45, 285,999.84 and 48,510.85 is: 72,766.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,665.45 : 285,999.84 = 48,510.85 : x
  2. Step 2: Convert to fraction form
    190,665.45/285,999.84 = 48,510.85/x
  3. Step 3: Cross multiply
    190,665.45x = 285,999.84 × 48,510.85
  4. Step 4: Simplify right side
    190,665.45x = 13,874,095,338.26
  5. Step 5: Solve for x
    x = 13,874,095,338.26/190,665.45
  6. Step 6: Final answer
    x = 72,766.70

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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.