Home / 136,268.46-188,047.53-75,838.86

Finding the Fourth Proportional to 136,268.46, 188,047.53 and 75,838.86

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Solution

The fourth proportional to 136,268.46, 188,047.53 and 75,838.86 is: 104,655.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,268.46 : 188,047.53 = 75,838.86 : x
  2. Step 2: Convert to fraction form
    136,268.46/188,047.53 = 75,838.86/x
  3. Step 3: Cross multiply
    136,268.46x = 188,047.53 × 75,838.86
  4. Step 4: Simplify right side
    136,268.46x = 14,261,310,301.02
  5. Step 5: Solve for x
    x = 14,261,310,301.02/136,268.46
  6. Step 6: Final answer
    x = 104,655.99

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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.