Home / 190,485.29-285,477.23-106,285.10

Finding the Fourth Proportional to 190,485.29, 285,477.23 and 106,285.10

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Solution

The fourth proportional to 190,485.29, 285,477.23 and 106,285.10 is: 159,287.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,485.29 : 285,477.23 = 106,285.10 : x
  2. Step 2: Convert to fraction form
    190,485.29/285,477.23 = 106,285.10/x
  3. Step 3: Cross multiply
    190,485.29x = 285,477.23 × 106,285.10
  4. Step 4: Simplify right side
    190,485.29x = 30,341,974,776.60
  5. Step 5: Solve for x
    x = 30,341,974,776.60/190,485.29
  6. Step 6: Final answer
    x = 159,287.76

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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.