Home / 156,941.28-235,353.60-51,732

Finding the Fourth Proportional to 156,941.28, 235,353.60 and 51,732

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Solution

The fourth proportional to 156,941.28, 235,353.60 and 51,732 is: 77,578.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,941.28 : 235,353.60 = 51,732 : x
  2. Step 2: Convert to fraction form
    156,941.28/235,353.60 = 51,732/x
  3. Step 3: Cross multiply
    156,941.28x = 235,353.60 × 51,732
  4. Step 4: Simplify right side
    156,941.28x = 12,175,312,435.20
  5. Step 5: Solve for x
    x = 12,175,312,435.20/156,941.28
  6. Step 6: Final answer
    x = 77,578.78

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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.