Home / 152,318.31-210,207.03-84,342.80

Finding the Fourth Proportional to 152,318.31, 210,207.03 and 84,342.80

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Solution

The fourth proportional to 152,318.31, 210,207.03 and 84,342.80 is: 116,397.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,318.31 : 210,207.03 = 84,342.80 : x
  2. Step 2: Convert to fraction form
    152,318.31/210,207.03 = 84,342.80/x
  3. Step 3: Cross multiply
    152,318.31x = 210,207.03 × 84,342.80
  4. Step 4: Simplify right side
    152,318.31x = 17,729,450,173.54
  5. Step 5: Solve for x
    x = 17,729,450,173.54/152,318.31
  6. Step 6: Final answer
    x = 116,397.37

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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.