Home / 142,004.35-212,803.54-104,268.35

Finding the Fourth Proportional to 142,004.35, 212,803.54 and 104,268.35

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Solution

The fourth proportional to 142,004.35, 212,803.54 and 104,268.35 is: 156,253.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,004.35 : 212,803.54 = 104,268.35 : x
  2. Step 2: Convert to fraction form
    142,004.35/212,803.54 = 104,268.35/x
  3. Step 3: Cross multiply
    142,004.35x = 212,803.54 × 104,268.35
  4. Step 4: Simplify right side
    142,004.35x = 22,188,674,261.30
  5. Step 5: Solve for x
    x = 22,188,674,261.30/142,004.35
  6. Step 6: Final answer
    x = 156,253.48

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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.