Home / 131,430.90-197,103.15-48,314.10

Finding the Fourth Proportional to 131,430.90, 197,103.15 and 48,314.10

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Solution

The fourth proportional to 131,430.90, 197,103.15 and 48,314.10 is: 72,455.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,430.90 : 197,103.15 = 48,314.10 : x
  2. Step 2: Convert to fraction form
    131,430.90/197,103.15 = 48,314.10/x
  3. Step 3: Cross multiply
    131,430.90x = 197,103.15 × 48,314.10
  4. Step 4: Simplify right side
    131,430.90x = 9,522,861,299.42
  5. Step 5: Solve for x
    x = 9,522,861,299.42/131,430.90
  6. Step 6: Final answer
    x = 72,455.27

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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.