Home / 114,289.35-157,685.18-73,939.20

Finding the Fourth Proportional to 114,289.35, 157,685.18 and 73,939.20

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Solution

The fourth proportional to 114,289.35, 157,685.18 and 73,939.20 is: 102,014.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,289.35 : 157,685.18 = 73,939.20 : x
  2. Step 2: Convert to fraction form
    114,289.35/157,685.18 = 73,939.20/x
  3. Step 3: Cross multiply
    114,289.35x = 157,685.18 × 73,939.20
  4. Step 4: Simplify right side
    114,289.35x = 11,659,115,515.95
  5. Step 5: Solve for x
    x = 11,659,115,515.95/114,289.35
  6. Step 6: Final answer
    x = 102,014.02

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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.