Home / 136,635.40-188,528.18-82,948.68

Finding the Fourth Proportional to 136,635.40, 188,528.18 and 82,948.68

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Solution

The fourth proportional to 136,635.40, 188,528.18 and 82,948.68 is: 114,451.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,635.40 : 188,528.18 = 82,948.68 : x
  2. Step 2: Convert to fraction form
    136,635.40/188,528.18 = 82,948.68/x
  3. Step 3: Cross multiply
    136,635.40x = 188,528.18 × 82,948.68
  4. Step 4: Simplify right side
    136,635.40x = 15,638,163,673.80
  5. Step 5: Solve for x
    x = 15,638,163,673.80/136,635.40
  6. Step 6: Final answer
    x = 114,451.77

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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.