Home / 104,579.46-156,865.05-90,493.79

Finding the Fourth Proportional to 104,579.46, 156,865.05 and 90,493.79

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Solution

The fourth proportional to 104,579.46, 156,865.05 and 90,493.79 is: 135,737.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,579.46 : 156,865.05 = 90,493.79 : x
  2. Step 2: Convert to fraction form
    104,579.46/156,865.05 = 90,493.79/x
  3. Step 3: Cross multiply
    104,579.46x = 156,865.05 × 90,493.79
  4. Step 4: Simplify right side
    104,579.46x = 14,195,312,108.71
  5. Step 5: Solve for x
    x = 14,195,312,108.71/104,579.46
  6. Step 6: Final answer
    x = 135,737.10

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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.