Home / 156,746.95-235,120.43-51,540.55

Finding the Fourth Proportional to 156,746.95, 235,120.43 and 51,540.55

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Solution

The fourth proportional to 156,746.95, 235,120.43 and 51,540.55 is: 77,310.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,746.95 : 235,120.43 = 51,540.55 : x
  2. Step 2: Convert to fraction form
    156,746.95/235,120.43 = 51,540.55/x
  3. Step 3: Cross multiply
    156,746.95x = 235,120.43 × 51,540.55
  4. Step 4: Simplify right side
    156,746.95x = 12,118,236,278.44
  5. Step 5: Solve for x
    x = 12,118,236,278.44/156,746.95
  6. Step 6: Final answer
    x = 77,310.83

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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.