Home / 142,848.30-214,252.63-100,023.88

Finding the Fourth Proportional to 142,848.30, 214,252.63 and 100,023.88

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Solution

The fourth proportional to 142,848.30, 214,252.63 and 100,023.88 is: 150,021.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,848.30 : 214,252.63 = 100,023.88 : x
  2. Step 2: Convert to fraction form
    142,848.30/214,252.63 = 100,023.88/x
  3. Step 3: Cross multiply
    142,848.30x = 214,252.63 × 100,023.88
  4. Step 4: Simplify right side
    142,848.30x = 21,430,378,567.11
  5. Step 5: Solve for x
    x = 21,430,378,567.11/142,848.30
  6. Step 6: Final answer
    x = 150,021.94

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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.