Home / 152,163.27-209,991.51-84,179.07

Finding the Fourth Proportional to 152,163.27, 209,991.51 and 84,179.07

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Solution

The fourth proportional to 152,163.27, 209,991.51 and 84,179.07 is: 116,170.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,163.27 : 209,991.51 = 84,179.07 : x
  2. Step 2: Convert to fraction form
    152,163.27/209,991.51 = 84,179.07/x
  3. Step 3: Cross multiply
    152,163.27x = 209,991.51 × 84,179.07
  4. Step 4: Simplify right side
    152,163.27x = 17,676,890,019.70
  5. Step 5: Solve for x
    x = 17,676,890,019.70/152,163.27
  6. Step 6: Final answer
    x = 116,170.55

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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.