Home / 76,135.04-114,210.16-26,208.53

Finding the Fourth Proportional to 76,135.04, 114,210.16 and 26,208.53

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Solution

The fourth proportional to 76,135.04, 114,210.16 and 26,208.53 is: 39,315.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,135.04 : 114,210.16 = 26,208.53 : x
  2. Step 2: Convert to fraction form
    76,135.04/114,210.16 = 26,208.53/x
  3. Step 3: Cross multiply
    76,135.04x = 114,210.16 × 26,208.53
  4. Step 4: Simplify right side
    76,135.04x = 2,993,279,768.09
  5. Step 5: Solve for x
    x = 2,993,279,768.09/76,135.04
  6. Step 6: Final answer
    x = 39,315.41

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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.