Home / 76,158.36-105,095.08-42,164.44

Finding the Fourth Proportional to 76,158.36, 105,095.08 and 42,164.44

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Solution

The fourth proportional to 76,158.36, 105,095.08 and 42,164.44 is: 58,185.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,158.36 : 105,095.08 = 42,164.44 : x
  2. Step 2: Convert to fraction form
    76,158.36/105,095.08 = 42,164.44/x
  3. Step 3: Cross multiply
    76,158.36x = 105,095.08 × 42,164.44
  4. Step 4: Simplify right side
    76,158.36x = 4,431,275,194.96
  5. Step 5: Solve for x
    x = 4,431,275,194.96/76,158.36
  6. Step 6: Final answer
    x = 58,185.01

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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.