Home / 137,727.96-190,056.60-77,292.96

Finding the Fourth Proportional to 137,727.96, 190,056.60 and 77,292.96

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Solution

The fourth proportional to 137,727.96, 190,056.60 and 77,292.96 is: 106,659.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,727.96 : 190,056.60 = 77,292.96 : x
  2. Step 2: Convert to fraction form
    137,727.96/190,056.60 = 77,292.96/x
  3. Step 3: Cross multiply
    137,727.96x = 190,056.60 × 77,292.96
  4. Step 4: Simplify right side
    137,727.96x = 14,690,037,181.54
  5. Step 5: Solve for x
    x = 14,690,037,181.54/137,727.96
  6. Step 6: Final answer
    x = 106,659.80

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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.