Home / 95,349.04-143,062.44-76,803.28

Finding the Fourth Proportional to 95,349.04, 143,062.44 and 76,803.28

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Solution

The fourth proportional to 95,349.04, 143,062.44 and 76,803.28 is: 115,236.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,349.04 : 143,062.44 = 76,803.28 : x
  2. Step 2: Convert to fraction form
    95,349.04/143,062.44 = 76,803.28/x
  3. Step 3: Cross multiply
    95,349.04x = 143,062.44 × 76,803.28
  4. Step 4: Simplify right side
    95,349.04x = 10,987,664,636.80
  5. Step 5: Solve for x
    x = 10,987,664,636.80/95,349.04
  6. Step 6: Final answer
    x = 115,236.24

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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.