Home / 152,255.85-210,107.71-84,272.96

Finding the Fourth Proportional to 152,255.85, 210,107.71 and 84,272.96

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Solution

The fourth proportional to 152,255.85, 210,107.71 and 84,272.96 is: 116,293.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,255.85 : 210,107.71 = 84,272.96 : x
  2. Step 2: Convert to fraction form
    152,255.85/210,107.71 = 84,272.96/x
  3. Step 3: Cross multiply
    152,255.85x = 210,107.71 × 84,272.96
  4. Step 4: Simplify right side
    152,255.85x = 17,706,397,800.67
  5. Step 5: Solve for x
    x = 17,706,397,800.67/152,255.85
  6. Step 6: Final answer
    x = 116,293.71

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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.