Home / 142,028.36-212,996.38-47,233.06

Finding the Fourth Proportional to 142,028.36, 212,996.38 and 47,233.06

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Solution

The fourth proportional to 142,028.36, 212,996.38 and 47,233.06 is: 70,834.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,028.36 : 212,996.38 = 47,233.06 : x
  2. Step 2: Convert to fraction form
    142,028.36/212,996.38 = 47,233.06/x
  3. Step 3: Cross multiply
    142,028.36x = 212,996.38 × 47,233.06
  4. Step 4: Simplify right side
    142,028.36x = 10,060,470,796.32
  5. Step 5: Solve for x
    x = 10,060,470,796.32/142,028.36
  6. Step 6: Final answer
    x = 70,834.24

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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.