Home / 145,976.58-218,896.83-75,837.06

Finding the Fourth Proportional to 145,976.58, 218,896.83 and 75,837.06

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Solution

The fourth proportional to 145,976.58, 218,896.83 and 75,837.06 is: 113,720.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,976.58 : 218,896.83 = 75,837.06 : x
  2. Step 2: Convert to fraction form
    145,976.58/218,896.83 = 75,837.06/x
  3. Step 3: Cross multiply
    145,976.58x = 218,896.83 × 75,837.06
  4. Step 4: Simplify right side
    145,976.58x = 16,600,492,030.52
  5. Step 5: Solve for x
    x = 16,600,492,030.52/145,976.58
  6. Step 6: Final answer
    x = 113,720.24

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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.