Home / 142,991.53-214,419.10-52,972.48

Finding the Fourth Proportional to 142,991.53, 214,419.10 and 52,972.48

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Solution

The fourth proportional to 142,991.53, 214,419.10 and 52,972.48 is: 79,433.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,991.53 : 214,419.10 = 52,972.48 : x
  2. Step 2: Convert to fraction form
    142,991.53/214,419.10 = 52,972.48/x
  3. Step 3: Cross multiply
    142,991.53x = 214,419.10 × 52,972.48
  4. Step 4: Simplify right side
    142,991.53x = 11,358,311,721.28
  5. Step 5: Solve for x
    x = 11,358,311,721.28/142,991.53
  6. Step 6: Final answer
    x = 79,433.46

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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.