Home / 156,128.15-233,946.92-120,676.23

Finding the Fourth Proportional to 156,128.15, 233,946.92 and 120,676.23

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Solution

The fourth proportional to 156,128.15, 233,946.92 and 120,676.23 is: 180,824.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,128.15 : 233,946.92 = 120,676.23 : x
  2. Step 2: Convert to fraction form
    156,128.15/233,946.92 = 120,676.23/x
  3. Step 3: Cross multiply
    156,128.15x = 233,946.92 × 120,676.23
  4. Step 4: Simplify right side
    156,128.15x = 28,231,831,722.33
  5. Step 5: Solve for x
    x = 28,231,831,722.33/156,128.15
  6. Step 6: Final answer
    x = 180,824.74

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1.5x scale

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.