Home / 76,148.06-114,213.83-19,993.77

Finding the Fourth Proportional to 76,148.06, 114,213.83 and 19,993.77

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Solution

The fourth proportional to 76,148.06, 114,213.83 and 19,993.77 is: 29,988.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,148.06 : 114,213.83 = 19,993.77 : x
  2. Step 2: Convert to fraction form
    76,148.06/114,213.83 = 19,993.77/x
  3. Step 3: Cross multiply
    76,148.06x = 114,213.83 × 19,993.77
  4. Step 4: Simplify right side
    76,148.06x = 2,283,564,947.87
  5. Step 5: Solve for x
    x = 2,283,564,947.87/76,148.06
  6. Step 6: Final answer
    x = 29,988.49

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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.