Home / 152,789.36-210,839.31-84,803.02

Finding the Fourth Proportional to 152,789.36, 210,839.31 and 84,803.02

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Solution

The fourth proportional to 152,789.36, 210,839.31 and 84,803.02 is: 117,022.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,789.36 : 210,839.31 = 84,803.02 : x
  2. Step 2: Convert to fraction form
    152,789.36/210,839.31 = 84,803.02/x
  3. Step 3: Cross multiply
    152,789.36x = 210,839.31 × 84,803.02
  4. Step 4: Simplify right side
    152,789.36x = 17,879,810,804.28
  5. Step 5: Solve for x
    x = 17,879,810,804.28/152,789.36
  6. Step 6: Final answer
    x = 117,022.62

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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.