Home / 152,910.46-211,004.34-84,920.86

Finding the Fourth Proportional to 152,910.46, 211,004.34 and 84,920.86

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Solution

The fourth proportional to 152,910.46, 211,004.34 and 84,920.86 is: 117,184.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,910.46 : 211,004.34 = 84,920.86 : x
  2. Step 2: Convert to fraction form
    152,910.46/211,004.34 = 84,920.86/x
  3. Step 3: Cross multiply
    152,910.46x = 211,004.34 × 84,920.86
  4. Step 4: Simplify right side
    152,910.46x = 17,918,670,016.53
  5. Step 5: Solve for x
    x = 17,918,670,016.53/152,910.46
  6. Step 6: Final answer
    x = 117,184.07

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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.