Home / 188,476.09-282,727.86-70,147.39

Finding the Fourth Proportional to 188,476.09, 282,727.86 and 70,147.39

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Solution

The fourth proportional to 188,476.09, 282,727.86 and 70,147.39 is: 105,226.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,476.09 : 282,727.86 = 70,147.39 : x
  2. Step 2: Convert to fraction form
    188,476.09/282,727.86 = 70,147.39/x
  3. Step 3: Cross multiply
    188,476.09x = 282,727.86 × 70,147.39
  4. Step 4: Simplify right side
    188,476.09x = 19,832,621,459.29
  5. Step 5: Solve for x
    x = 19,832,621,459.29/188,476.09
  6. Step 6: Final answer
    x = 105,226.19

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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.