Home / 249,930.70-374,903.21-98,121.49

Finding the Fourth Proportional to 249,930.70, 374,903.21 and 98,121.49

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Solution

The fourth proportional to 249,930.70, 374,903.21 and 98,121.49 is: 147,185.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,930.70 : 374,903.21 = 98,121.49 : x
  2. Step 2: Convert to fraction form
    249,930.70/374,903.21 = 98,121.49/x
  3. Step 3: Cross multiply
    249,930.70x = 374,903.21 × 98,121.49
  4. Step 4: Simplify right side
    249,930.70x = 36,786,060,879.03
  5. Step 5: Solve for x
    x = 36,786,060,879.03/249,930.70
  6. Step 6: Final answer
    x = 147,185.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.