Home / 455,695.20-683,553.60-140,154.96

Finding the Fourth Proportional to 455,695.20, 683,553.60 and 140,154.96

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Solution

The fourth proportional to 455,695.20, 683,553.60 and 140,154.96 is: 210,235.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,695.20 : 683,553.60 = 140,154.96 : x
  2. Step 2: Convert to fraction form
    455,695.20/683,553.60 = 140,154.96/x
  3. Step 3: Cross multiply
    455,695.20x = 683,553.60 × 140,154.96
  4. Step 4: Simplify right side
    455,695.20x = 95,803,427,465.86
  5. Step 5: Solve for x
    x = 95,803,427,465.86/455,695.20
  6. Step 6: Final answer
    x = 210,235.76

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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.