Home / 142,204.83-213,353.36-42,365.88

Finding the Fourth Proportional to 142,204.83, 213,353.36 and 42,365.88

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Solution

The fourth proportional to 142,204.83, 213,353.36 and 42,365.88 is: 63,562.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,204.83 : 213,353.36 = 42,365.88 : x
  2. Step 2: Convert to fraction form
    142,204.83/213,353.36 = 42,365.88/x
  3. Step 3: Cross multiply
    142,204.83x = 213,353.36 × 42,365.88
  4. Step 4: Simplify right side
    142,204.83x = 9,038,902,847.36
  5. Step 5: Solve for x
    x = 9,038,902,847.36/142,204.83
  6. Step 6: Final answer
    x = 63,562.56

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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.