Home / 190,912.65-263,488.19-137,374.89

Finding the Fourth Proportional to 190,912.65, 263,488.19 and 137,374.89

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Solution

The fourth proportional to 190,912.65, 263,488.19 and 137,374.89 is: 189,598.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,912.65 : 263,488.19 = 137,374.89 : x
  2. Step 2: Convert to fraction form
    190,912.65/263,488.19 = 137,374.89/x
  3. Step 3: Cross multiply
    190,912.65x = 263,488.19 × 137,374.89
  4. Step 4: Simplify right side
    190,912.65x = 36,196,660,430.67
  5. Step 5: Solve for x
    x = 36,196,660,430.67/190,912.65
  6. Step 6: Final answer
    x = 189,598.02

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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.