Home / 111,739.10-167,713.98-40,730.37

Finding the Fourth Proportional to 111,739.10, 167,713.98 and 40,730.37

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Solution

The fourth proportional to 111,739.10, 167,713.98 and 40,730.37 is: 61,133.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,739.10 : 167,713.98 = 40,730.37 : x
  2. Step 2: Convert to fraction form
    111,739.10/167,713.98 = 40,730.37/x
  3. Step 3: Cross multiply
    111,739.10x = 167,713.98 × 40,730.37
  4. Step 4: Simplify right side
    111,739.10x = 6,831,052,612.31
  5. Step 5: Solve for x
    x = 6,831,052,612.31/111,739.10
  6. Step 6: Final answer
    x = 61,133.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.