Home / 205,541.09-308,100.61-104,151.77

Finding the Fourth Proportional to 205,541.09, 308,100.61 and 104,151.77

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Solution

The fourth proportional to 205,541.09, 308,100.61 and 104,151.77 is: 156,120.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,541.09 : 308,100.61 = 104,151.77 : x
  2. Step 2: Convert to fraction form
    205,541.09/308,100.61 = 104,151.77/x
  3. Step 3: Cross multiply
    205,541.09x = 308,100.61 × 104,151.77
  4. Step 4: Simplify right side
    205,541.09x = 32,089,225,347.71
  5. Step 5: Solve for x
    x = 32,089,225,347.71/205,541.09
  6. Step 6: Final answer
    x = 156,120.73

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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.