Home / 156,869.86-235,310.30-50,257.05

Finding the Fourth Proportional to 156,869.86, 235,310.30 and 50,257.05

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Solution

The fourth proportional to 156,869.86, 235,310.30 and 50,257.05 is: 75,387.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,869.86 : 235,310.30 = 50,257.05 : x
  2. Step 2: Convert to fraction form
    156,869.86/235,310.30 = 50,257.05/x
  3. Step 3: Cross multiply
    156,869.86x = 235,310.30 × 50,257.05
  4. Step 4: Simplify right side
    156,869.86x = 11,826,001,638.26
  5. Step 5: Solve for x
    x = 11,826,001,638.26/156,869.86
  6. Step 6: Final answer
    x = 75,387.34

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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.