Home / 152,052.46-209,828.70-84,067.68

Finding the Fourth Proportional to 152,052.46, 209,828.70 and 84,067.68

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Solution

The fourth proportional to 152,052.46, 209,828.70 and 84,067.68 is: 116,011.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,052.46 : 209,828.70 = 84,067.68 : x
  2. Step 2: Convert to fraction form
    152,052.46/209,828.70 = 84,067.68/x
  3. Step 3: Cross multiply
    152,052.46x = 209,828.70 × 84,067.68
  4. Step 4: Simplify right side
    152,052.46x = 17,639,812,006.42
  5. Step 5: Solve for x
    x = 17,639,812,006.42/152,052.46
  6. Step 6: Final answer
    x = 116,011.36

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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.