Home / 131,484.20-197,313.64-48,378.20

Finding the Fourth Proportional to 131,484.20, 197,313.64 and 48,378.20

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Solution

The fourth proportional to 131,484.20, 197,313.64 and 48,378.20 is: 72,599.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,484.20 : 197,313.64 = 48,378.20 : x
  2. Step 2: Convert to fraction form
    131,484.20/197,313.64 = 48,378.20/x
  3. Step 3: Cross multiply
    131,484.20x = 197,313.64 × 48,378.20
  4. Step 4: Simplify right side
    131,484.20x = 9,545,678,738.65
  5. Step 5: Solve for x
    x = 9,545,678,738.65/131,484.20
  6. Step 6: Final answer
    x = 72,599.44

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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.