Home / 131,603.85-197,419.60-42,864.27

Finding the Fourth Proportional to 131,603.85, 197,419.60 and 42,864.27

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Solution

The fourth proportional to 131,603.85, 197,419.60 and 42,864.27 is: 64,300.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,603.85 : 197,419.60 = 42,864.27 : x
  2. Step 2: Convert to fraction form
    131,603.85/197,419.60 = 42,864.27/x
  3. Step 3: Cross multiply
    131,603.85x = 197,419.60 × 42,864.27
  4. Step 4: Simplify right side
    131,603.85x = 8,462,246,157.75
  5. Step 5: Solve for x
    x = 8,462,246,157.75/131,603.85
  6. Step 6: Final answer
    x = 64,300.90

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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.