Home / 156,971.68-235,452.30-68,225.29

Finding the Fourth Proportional to 156,971.68, 235,452.30 and 68,225.29

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Solution

The fourth proportional to 156,971.68, 235,452.30 and 68,225.29 is: 102,335.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,971.68 : 235,452.30 = 68,225.29 : x
  2. Step 2: Convert to fraction form
    156,971.68/235,452.30 = 68,225.29/x
  3. Step 3: Cross multiply
    156,971.68x = 235,452.30 × 68,225.29
  4. Step 4: Simplify right side
    156,971.68x = 16,063,801,448.67
  5. Step 5: Solve for x
    x = 16,063,801,448.67/156,971.68
  6. Step 6: Final answer
    x = 102,335.67

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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.