Home / 131,455.71-197,216.82-36,685.88

Finding the Fourth Proportional to 131,455.71, 197,216.82 and 36,685.88

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Solution

The fourth proportional to 131,455.71, 197,216.82 and 36,685.88 is: 55,038.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,455.71 : 197,216.82 = 36,685.88 : x
  2. Step 2: Convert to fraction form
    131,455.71/197,216.82 = 36,685.88/x
  3. Step 3: Cross multiply
    131,455.71x = 197,216.82 × 36,685.88
  4. Step 4: Simplify right side
    131,455.71x = 7,235,072,592.50
  5. Step 5: Solve for x
    x = 7,235,072,592.50/131,455.71
  6. Step 6: Final answer
    x = 55,038.10

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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.