Home / 144,938.60-217,116.30-82,536.20

Finding the Fourth Proportional to 144,938.60, 217,116.30 and 82,536.20

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Solution

The fourth proportional to 144,938.60, 217,116.30 and 82,536.20 is: 123,638.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,938.60 : 217,116.30 = 82,536.20 : x
  2. Step 2: Convert to fraction form
    144,938.60/217,116.30 = 82,536.20/x
  3. Step 3: Cross multiply
    144,938.60x = 217,116.30 × 82,536.20
  4. Step 4: Simplify right side
    144,938.60x = 17,919,954,360.06
  5. Step 5: Solve for x
    x = 17,919,954,360.06/144,938.60
  6. Step 6: Final answer
    x = 123,638.25

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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.