Home / 152,042.20-209,814.78-84,974.20

Finding the Fourth Proportional to 152,042.20, 209,814.78 and 84,974.20

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Solution

The fourth proportional to 152,042.20, 209,814.78 and 84,974.20 is: 117,262.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,042.20 : 209,814.78 = 84,974.20 : x
  2. Step 2: Convert to fraction form
    152,042.20/209,814.78 = 84,974.20/x
  3. Step 3: Cross multiply
    152,042.20x = 209,814.78 × 84,974.20
  4. Step 4: Simplify right side
    152,042.20x = 17,828,843,078.68
  5. Step 5: Solve for x
    x = 17,828,843,078.68/152,042.20
  6. Step 6: Final answer
    x = 117,262.46

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1.5x scale

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.