Home / 188,315.40-282,210.66-141,513.60

Finding the Fourth Proportional to 188,315.40, 282,210.66 and 141,513.60

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Solution

The fourth proportional to 188,315.40, 282,210.66 and 141,513.60 is: 212,073.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,315.40 : 282,210.66 = 141,513.60 : x
  2. Step 2: Convert to fraction form
    188,315.40/282,210.66 = 141,513.60/x
  3. Step 3: Cross multiply
    188,315.40x = 282,210.66 × 141,513.60
  4. Step 4: Simplify right side
    188,315.40x = 39,936,646,454.98
  5. Step 5: Solve for x
    x = 39,936,646,454.98/188,315.40
  6. Step 6: Final answer
    x = 212,073.18

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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.