Home / 95,238.51-142,814.49-45,378.87

Finding the Fourth Proportional to 95,238.51, 142,814.49 and 45,378.87

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Solution

The fourth proportional to 95,238.51, 142,814.49 and 45,378.87 is: 68,047.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,238.51 : 142,814.49 = 45,378.87 : x
  2. Step 2: Convert to fraction form
    95,238.51/142,814.49 = 45,378.87/x
  3. Step 3: Cross multiply
    95,238.51x = 142,814.49 × 45,378.87
  4. Step 4: Simplify right side
    95,238.51x = 6,480,760,175.83
  5. Step 5: Solve for x
    x = 6,480,760,175.83/95,238.51
  6. Step 6: Final answer
    x = 68,047.69

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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.