Home / 152,890.16-210,989.68-84,908.25

Finding the Fourth Proportional to 152,890.16, 210,989.68 and 84,908.25

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Solution

The fourth proportional to 152,890.16, 210,989.68 and 84,908.25 is: 117,174.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,890.16 : 210,989.68 = 84,908.25 : x
  2. Step 2: Convert to fraction form
    152,890.16/210,989.68 = 84,908.25/x
  3. Step 3: Cross multiply
    152,890.16x = 210,989.68 × 84,908.25
  4. Step 4: Simplify right side
    152,890.16x = 17,914,764,284.59
  5. Step 5: Solve for x
    x = 17,914,764,284.59/152,890.16
  6. Step 6: Final answer
    x = 117,174.09

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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.