Home / 137,596.04-189,884.46-83,140.65

Finding the Fourth Proportional to 137,596.04, 189,884.46 and 83,140.65

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Solution

The fourth proportional to 137,596.04, 189,884.46 and 83,140.65 is: 114,735.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,596.04 : 189,884.46 = 83,140.65 : x
  2. Step 2: Convert to fraction form
    137,596.04/189,884.46 = 83,140.65/x
  3. Step 3: Cross multiply
    137,596.04x = 189,884.46 × 83,140.65
  4. Step 4: Simplify right side
    137,596.04x = 15,787,116,479.88
  5. Step 5: Solve for x
    x = 15,787,116,479.88/137,596.04
  6. Step 6: Final answer
    x = 114,735.26

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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.