Home / 281,895.21-422,968.54-130,010.62

Finding the Fourth Proportional to 281,895.21, 422,968.54 and 130,010.62

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Solution

The fourth proportional to 281,895.21, 422,968.54 and 130,010.62 is: 195,073.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,895.21 : 422,968.54 = 130,010.62 : x
  2. Step 2: Convert to fraction form
    281,895.21/422,968.54 = 130,010.62/x
  3. Step 3: Cross multiply
    281,895.21x = 422,968.54 × 130,010.62
  4. Step 4: Simplify right side
    281,895.21x = 54,990,402,125.89
  5. Step 5: Solve for x
    x = 54,990,402,125.89/281,895.21
  6. Step 6: Final answer
    x = 195,073.91

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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.