Home / 186,834.70-258,329.55-163,215.10

Finding the Fourth Proportional to 186,834.70, 258,329.55 and 163,215.10

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Solution

The fourth proportional to 186,834.70, 258,329.55 and 163,215.10 is: 225,671.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,834.70 : 258,329.55 = 163,215.10 : x
  2. Step 2: Convert to fraction form
    186,834.70/258,329.55 = 163,215.10/x
  3. Step 3: Cross multiply
    186,834.70x = 258,329.55 × 163,215.10
  4. Step 4: Simplify right side
    186,834.70x = 42,163,283,336.21
  5. Step 5: Solve for x
    x = 42,163,283,336.21/186,834.70
  6. Step 6: Final answer
    x = 225,671.59

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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.