Home / 119,157.28-164,444.56-68,185.60

Finding the Fourth Proportional to 119,157.28, 164,444.56 and 68,185.60

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Solution

The fourth proportional to 119,157.28, 164,444.56 and 68,185.60 is: 94,100.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,157.28 : 164,444.56 = 68,185.60 : x
  2. Step 2: Convert to fraction form
    119,157.28/164,444.56 = 68,185.60/x
  3. Step 3: Cross multiply
    119,157.28x = 164,444.56 × 68,185.60
  4. Step 4: Simplify right side
    119,157.28x = 11,212,750,990.34
  5. Step 5: Solve for x
    x = 11,212,750,990.34/119,157.28
  6. Step 6: Final answer
    x = 94,100.43

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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.