Home / 152,942.40-211,063.38-84,965.76

Finding the Fourth Proportional to 152,942.40, 211,063.38 and 84,965.76

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Solution

The fourth proportional to 152,942.40, 211,063.38 and 84,965.76 is: 117,254.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,942.40 : 211,063.38 = 84,965.76 : x
  2. Step 2: Convert to fraction form
    152,942.40/211,063.38 = 84,965.76/x
  3. Step 3: Cross multiply
    152,942.40x = 211,063.38 × 84,965.76
  4. Step 4: Simplify right side
    152,942.40x = 17,933,160,489.87
  5. Step 5: Solve for x
    x = 17,933,160,489.87/152,942.40
  6. Step 6: Final answer
    x = 117,254.34

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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.