Home / 188,550.18-282,781.53-70,277.22

Finding the Fourth Proportional to 188,550.18, 282,781.53 and 70,277.22

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Solution

The fourth proportional to 188,550.18, 282,781.53 and 70,277.22 is: 105,399.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,550.18 : 282,781.53 = 70,277.22 : x
  2. Step 2: Convert to fraction form
    188,550.18/282,781.53 = 70,277.22/x
  3. Step 3: Cross multiply
    188,550.18x = 282,781.53 × 70,277.22
  4. Step 4: Simplify right side
    188,550.18x = 19,873,099,795.75
  5. Step 5: Solve for x
    x = 19,873,099,795.75/188,550.18
  6. Step 6: Final answer
    x = 105,399.53

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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.