Home / 95,340.69-143,012.05-28,781.37

Finding the Fourth Proportional to 95,340.69, 143,012.05 and 28,781.37

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Solution

The fourth proportional to 95,340.69, 143,012.05 and 28,781.37 is: 43,172.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,340.69 : 143,012.05 = 28,781.37 : x
  2. Step 2: Convert to fraction form
    95,340.69/143,012.05 = 28,781.37/x
  3. Step 3: Cross multiply
    95,340.69x = 143,012.05 × 28,781.37
  4. Step 4: Simplify right side
    95,340.69x = 4,116,082,725.51
  5. Step 5: Solve for x
    x = 4,116,082,725.51/95,340.69
  6. Step 6: Final answer
    x = 43,172.36

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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.