Home / 152,138.03-209,934.33-84,144.20

Finding the Fourth Proportional to 152,138.03, 209,934.33 and 84,144.20

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Solution

The fourth proportional to 152,138.03, 209,934.33 and 84,144.20 is: 116,110.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,138.03 : 209,934.33 = 84,144.20 : x
  2. Step 2: Convert to fraction form
    152,138.03/209,934.33 = 84,144.20/x
  3. Step 3: Cross multiply
    152,138.03x = 209,934.33 × 84,144.20
  4. Step 4: Simplify right side
    152,138.03x = 17,664,755,200.71
  5. Step 5: Solve for x
    x = 17,664,755,200.71/152,138.03
  6. Step 6: Final answer
    x = 116,110.06

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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.