Home / 152,068.20-209,845.62-84,081.24

Finding the Fourth Proportional to 152,068.20, 209,845.62 and 84,081.24

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Solution

The fourth proportional to 152,068.20, 209,845.62 and 84,081.24 is: 116,027.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,068.20 : 209,845.62 = 84,081.24 : x
  2. Step 2: Convert to fraction form
    152,068.20/209,845.62 = 84,081.24/x
  3. Step 3: Cross multiply
    152,068.20x = 209,845.62 × 84,081.24
  4. Step 4: Simplify right side
    152,068.20x = 17,644,079,938.17
  5. Step 5: Solve for x
    x = 17,644,079,938.17/152,068.20
  6. Step 6: Final answer
    x = 116,027.41

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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.