Home / 192,971.76-266,430.98-120,485.01

Finding the Fourth Proportional to 192,971.76, 266,430.98 and 120,485.01

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Solution

The fourth proportional to 192,971.76, 266,430.98 and 120,485.01 is: 166,350.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,971.76 : 266,430.98 = 120,485.01 : x
  2. Step 2: Convert to fraction form
    192,971.76/266,430.98 = 120,485.01/x
  3. Step 3: Cross multiply
    192,971.76x = 266,430.98 × 120,485.01
  4. Step 4: Simplify right side
    192,971.76x = 32,100,939,289.61
  5. Step 5: Solve for x
    x = 32,100,939,289.61/192,971.76
  6. Step 6: Final answer
    x = 166,350.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.