Home / 149,224.76-205,811.44-105,539.84

Finding the Fourth Proportional to 149,224.76, 205,811.44 and 105,539.84

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Solution

The fourth proportional to 149,224.76, 205,811.44 and 105,539.84 is: 145,561.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,224.76 : 205,811.44 = 105,539.84 : x
  2. Step 2: Convert to fraction form
    149,224.76/205,811.44 = 105,539.84/x
  3. Step 3: Cross multiply
    149,224.76x = 205,811.44 × 105,539.84
  4. Step 4: Simplify right side
    149,224.76x = 21,721,306,447.77
  5. Step 5: Solve for x
    x = 21,721,306,447.77/149,224.76
  6. Step 6: Final answer
    x = 145,561.01

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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.