Home / 156,711.83-235,012.64-56,855.03

Finding the Fourth Proportional to 156,711.83, 235,012.64 and 56,855.03

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Solution

The fourth proportional to 156,711.83, 235,012.64 and 56,855.03 is: 85,262.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,711.83 : 235,012.64 = 56,855.03 : x
  2. Step 2: Convert to fraction form
    156,711.83/235,012.64 = 56,855.03/x
  3. Step 3: Cross multiply
    156,711.83x = 235,012.64 × 56,855.03
  4. Step 4: Simplify right side
    156,711.83x = 13,361,649,238.24
  5. Step 5: Solve for x
    x = 13,361,649,238.24/156,711.83
  6. Step 6: Final answer
    x = 85,262.55

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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.