Home / 142,789.63-214,024.05-67,848.43

Finding the Fourth Proportional to 142,789.63, 214,024.05 and 67,848.43

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Solution

The fourth proportional to 142,789.63, 214,024.05 and 67,848.43 is: 101,696.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,789.63 : 214,024.05 = 67,848.43 : x
  2. Step 2: Convert to fraction form
    142,789.63/214,024.05 = 67,848.43/x
  3. Step 3: Cross multiply
    142,789.63x = 214,024.05 × 67,848.43
  4. Step 4: Simplify right side
    142,789.63x = 14,521,195,774.74
  5. Step 5: Solve for x
    x = 14,521,195,774.74/142,789.63
  6. Step 6: Final answer
    x = 101,696.43

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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.