Home / 136,659.01-188,589.69-75,403.81

Finding the Fourth Proportional to 136,659.01, 188,589.69 and 75,403.81

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Solution

The fourth proportional to 136,659.01, 188,589.69 and 75,403.81 is: 104,057.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,659.01 : 188,589.69 = 75,403.81 : x
  2. Step 2: Convert to fraction form
    136,659.01/188,589.69 = 75,403.81/x
  3. Step 3: Cross multiply
    136,659.01x = 188,589.69 × 75,403.81
  4. Step 4: Simplify right side
    136,659.01x = 14,220,381,152.72
  5. Step 5: Solve for x
    x = 14,220,381,152.72/136,659.01
  6. Step 6: Final answer
    x = 104,057.40

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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.