Home / 156,965.90-235,438.05-50,348.30

Finding the Fourth Proportional to 156,965.90, 235,438.05 and 50,348.30

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Solution

The fourth proportional to 156,965.90, 235,438.05 and 50,348.30 is: 75,518.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,965.90 : 235,438.05 = 50,348.30 : x
  2. Step 2: Convert to fraction form
    156,965.90/235,438.05 = 50,348.30/x
  3. Step 3: Cross multiply
    156,965.90x = 235,438.05 × 50,348.30
  4. Step 4: Simplify right side
    156,965.90x = 11,853,905,572.82
  5. Step 5: Solve for x
    x = 11,853,905,572.82/156,965.90
  6. Step 6: Final answer
    x = 75,518.99

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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.