Home / 147,539.89-203,597.44-80,458.93

Finding the Fourth Proportional to 147,539.89, 203,597.44 and 80,458.93

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Solution

The fourth proportional to 147,539.89, 203,597.44 and 80,458.93 is: 111,029.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,539.89 : 203,597.44 = 80,458.93 : x
  2. Step 2: Convert to fraction form
    147,539.89/203,597.44 = 80,458.93/x
  3. Step 3: Cross multiply
    147,539.89x = 203,597.44 × 80,458.93
  4. Step 4: Simplify right side
    147,539.89x = 16,381,232,173.14
  5. Step 5: Solve for x
    x = 16,381,232,173.14/147,539.89
  6. Step 6: Final answer
    x = 111,029.17

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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.