Home / 255,189.75-352,161.86-142,012.59

Finding the Fourth Proportional to 255,189.75, 352,161.86 and 142,012.59

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Solution

The fourth proportional to 255,189.75, 352,161.86 and 142,012.59 is: 195,977.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,189.75 : 352,161.86 = 142,012.59 : x
  2. Step 2: Convert to fraction form
    255,189.75/352,161.86 = 142,012.59/x
  3. Step 3: Cross multiply
    255,189.75x = 352,161.86 × 142,012.59
  4. Step 4: Simplify right side
    255,189.75x = 50,011,417,127.75
  5. Step 5: Solve for x
    x = 50,011,417,127.75/255,189.75
  6. Step 6: Final answer
    x = 195,977.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.