Home / 156,939.90-235,399.05-50,322.30

Finding the Fourth Proportional to 156,939.90, 235,399.05 and 50,322.30

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Solution

The fourth proportional to 156,939.90, 235,399.05 and 50,322.30 is: 75,479.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,939.90 : 235,399.05 = 50,322.30 : x
  2. Step 2: Convert to fraction form
    156,939.90/235,399.05 = 50,322.30/x
  3. Step 3: Cross multiply
    156,939.90x = 235,399.05 × 50,322.30
  4. Step 4: Simplify right side
    156,939.90x = 11,845,821,613.82
  5. Step 5: Solve for x
    x = 11,845,821,613.82/156,939.90
  6. Step 6: Final answer
    x = 75,479.99

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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.