Home / 143,139.96-214,637.04-54,325.89

Finding the Fourth Proportional to 143,139.96, 214,637.04 and 54,325.89

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Solution

The fourth proportional to 143,139.96, 214,637.04 and 54,325.89 is: 81,461.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,139.96 : 214,637.04 = 54,325.89 : x
  2. Step 2: Convert to fraction form
    143,139.96/214,637.04 = 54,325.89/x
  3. Step 3: Cross multiply
    143,139.96x = 214,637.04 × 54,325.89
  4. Step 4: Simplify right side
    143,139.96x = 11,660,348,224.97
  5. Step 5: Solve for x
    x = 11,660,348,224.97/143,139.96
  6. Step 6: Final answer
    x = 81,461.17

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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.