Home / 104,217.30-156,095.55-80,658.90

Finding the Fourth Proportional to 104,217.30, 156,095.55 and 80,658.90

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Solution

The fourth proportional to 104,217.30, 156,095.55 and 80,658.90 is: 120,810.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,217.30 : 156,095.55 = 80,658.90 : x
  2. Step 2: Convert to fraction form
    104,217.30/156,095.55 = 80,658.90/x
  3. Step 3: Cross multiply
    104,217.30x = 156,095.55 × 80,658.90
  4. Step 4: Simplify right side
    104,217.30x = 12,590,495,357.90
  5. Step 5: Solve for x
    x = 12,590,495,357.90/104,217.30
  6. Step 6: Final answer
    x = 120,810.03

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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.