Home / 140,507.53-193,899.97-75,976.32

Finding the Fourth Proportional to 140,507.53, 193,899.97 and 75,976.32

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Solution

The fourth proportional to 140,507.53, 193,899.97 and 75,976.32 is: 104,847.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,507.53 : 193,899.97 = 75,976.32 : x
  2. Step 2: Convert to fraction form
    140,507.53/193,899.97 = 75,976.32/x
  3. Step 3: Cross multiply
    140,507.53x = 193,899.97 × 75,976.32
  4. Step 4: Simplify right side
    140,507.53x = 14,731,806,168.71
  5. Step 5: Solve for x
    x = 14,731,806,168.71/140,507.53
  6. Step 6: Final answer
    x = 104,847.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.