Home / 152,131.32-209,939.44-84,142.96

Finding the Fourth Proportional to 152,131.32, 209,939.44 and 84,142.96

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Solution

The fourth proportional to 152,131.32, 209,939.44 and 84,142.96 is: 116,116.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,131.32 : 209,939.44 = 84,142.96 : x
  2. Step 2: Convert to fraction form
    152,131.32/209,939.44 = 84,142.96/x
  3. Step 3: Cross multiply
    152,131.32x = 209,939.44 × 84,142.96
  4. Step 4: Simplify right side
    152,131.32x = 17,664,925,902.34
  5. Step 5: Solve for x
    x = 17,664,925,902.34/152,131.32
  6. Step 6: Final answer
    x = 116,116.30

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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.