Home / 131,795.81-197,504.39-74,914.91

Finding the Fourth Proportional to 131,795.81, 197,504.39 and 74,914.91

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Solution

The fourth proportional to 131,795.81, 197,504.39 and 74,914.91 is: 112,264.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,795.81 : 197,504.39 = 74,914.91 : x
  2. Step 2: Convert to fraction form
    131,795.81/197,504.39 = 74,914.91/x
  3. Step 3: Cross multiply
    131,795.81x = 197,504.39 × 74,914.91
  4. Step 4: Simplify right side
    131,795.81x = 14,796,023,601.45
  5. Step 5: Solve for x
    x = 14,796,023,601.45/131,795.81
  6. Step 6: Final answer
    x = 112,264.75

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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.