Home / 76,130.90-114,198.86-26,210.48

Finding the Fourth Proportional to 76,130.90, 114,198.86 and 26,210.48

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Solution

The fourth proportional to 76,130.90, 114,198.86 and 26,210.48 is: 39,316.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,130.90 : 114,198.86 = 26,210.48 : x
  2. Step 2: Convert to fraction form
    76,130.90/114,198.86 = 26,210.48/x
  3. Step 3: Cross multiply
    76,130.90x = 114,198.86 × 26,210.48
  4. Step 4: Simplify right side
    76,130.90x = 2,993,206,936.05
  5. Step 5: Solve for x
    x = 2,993,206,936.05/76,130.90
  6. Step 6: Final answer
    x = 39,316.58

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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.