Home / 142,018.37-212,824.55-104,282.36

Finding the Fourth Proportional to 142,018.37, 212,824.55 and 104,282.36

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Solution

The fourth proportional to 142,018.37, 212,824.55 and 104,282.36 is: 156,274.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,018.37 : 212,824.55 = 104,282.36 : x
  2. Step 2: Convert to fraction form
    142,018.37/212,824.55 = 104,282.36/x
  3. Step 3: Cross multiply
    142,018.37x = 212,824.55 × 104,282.36
  4. Step 4: Simplify right side
    142,018.37x = 22,193,844,754.40
  5. Step 5: Solve for x
    x = 22,193,844,754.40/142,018.37
  6. Step 6: Final answer
    x = 156,274.47

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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.