Home / 152,239.31-210,083.79-84,249.92

Finding the Fourth Proportional to 152,239.31, 210,083.79 and 84,249.92

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Solution

The fourth proportional to 152,239.31, 210,083.79 and 84,249.92 is: 116,261.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,239.31 : 210,083.79 = 84,249.92 : x
  2. Step 2: Convert to fraction form
    152,239.31/210,083.79 = 84,249.92/x
  3. Step 3: Cross multiply
    152,239.31x = 210,083.79 × 84,249.92
  4. Step 4: Simplify right side
    152,239.31x = 17,699,542,986.51
  5. Step 5: Solve for x
    x = 17,699,542,986.51/152,239.31
  6. Step 6: Final answer
    x = 116,261.32

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1.5x scale

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.