Home / 156,633.79-234,913.04-72,312.96

Finding the Fourth Proportional to 156,633.79, 234,913.04 and 72,312.96

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Solution

The fourth proportional to 156,633.79, 234,913.04 and 72,312.96 is: 108,452.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,633.79 : 234,913.04 = 72,312.96 : x
  2. Step 2: Convert to fraction form
    156,633.79/234,913.04 = 72,312.96/x
  3. Step 3: Cross multiply
    156,633.79x = 234,913.04 × 72,312.96
  4. Step 4: Simplify right side
    156,633.79x = 16,987,256,903.43
  5. Step 5: Solve for x
    x = 16,987,256,903.43/156,633.79
  6. Step 6: Final answer
    x = 108,452.06

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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.