Home / 239,937.08-359,868.74-80,015.80

Finding the Fourth Proportional to 239,937.08, 359,868.74 and 80,015.80

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Solution

The fourth proportional to 239,937.08, 359,868.74 and 80,015.80 is: 120,011.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,937.08 : 359,868.74 = 80,015.80 : x
  2. Step 2: Convert to fraction form
    239,937.08/359,868.74 = 80,015.80/x
  3. Step 3: Cross multiply
    239,937.08x = 359,868.74 × 80,015.80
  4. Step 4: Simplify right side
    239,937.08x = 28,795,185,126.09
  5. Step 5: Solve for x
    x = 28,795,185,126.09/239,937.08
  6. Step 6: Final answer
    x = 120,011.40

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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.