Home / 156,215.98-234,010.19-71,858.83

Finding the Fourth Proportional to 156,215.98, 234,010.19 and 71,858.83

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Solution

The fourth proportional to 156,215.98, 234,010.19 and 71,858.83 is: 107,643.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,215.98 : 234,010.19 = 71,858.83 : x
  2. Step 2: Convert to fraction form
    156,215.98/234,010.19 = 71,858.83/x
  3. Step 3: Cross multiply
    156,215.98x = 234,010.19 × 71,858.83
  4. Step 4: Simplify right side
    156,215.98x = 16,815,698,461.48
  5. Step 5: Solve for x
    x = 16,815,698,461.48/156,215.98
  6. Step 6: Final answer
    x = 107,643.91

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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.