Home / 104,731.56-156,385.83-101,893.86

Finding the Fourth Proportional to 104,731.56, 156,385.83 and 101,893.86

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Solution

The fourth proportional to 104,731.56, 156,385.83 and 101,893.86 is: 152,148.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,731.56 : 156,385.83 = 101,893.86 : x
  2. Step 2: Convert to fraction form
    104,731.56/156,385.83 = 101,893.86/x
  3. Step 3: Cross multiply
    104,731.56x = 156,385.83 × 101,893.86
  4. Step 4: Simplify right side
    104,731.56x = 15,934,755,868.00
  5. Step 5: Solve for x
    x = 15,934,755,868.00/104,731.56
  6. Step 6: Final answer
    x = 152,148.56

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.