Home / 281,981.04-422,971.56-141,641.28

Finding the Fourth Proportional to 281,981.04, 422,971.56 and 141,641.28

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Solution

The fourth proportional to 281,981.04, 422,971.56 and 141,641.28 is: 212,461.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,981.04 : 422,971.56 = 141,641.28 : x
  2. Step 2: Convert to fraction form
    281,981.04/422,971.56 = 141,641.28/x
  3. Step 3: Cross multiply
    281,981.04x = 422,971.56 × 141,641.28
  4. Step 4: Simplify right side
    281,981.04x = 59,910,233,162.00
  5. Step 5: Solve for x
    x = 59,910,233,162.00/281,981.04
  6. Step 6: Final answer
    x = 212,461.92

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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.