Home / 188,341.28-282,511.88-70,042.40

Finding the Fourth Proportional to 188,341.28, 282,511.88 and 70,042.40

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Solution

The fourth proportional to 188,341.28, 282,511.88 and 70,042.40 is: 105,063.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,341.28 : 282,511.88 = 70,042.40 : x
  2. Step 2: Convert to fraction form
    188,341.28/282,511.88 = 70,042.40/x
  3. Step 3: Cross multiply
    188,341.28x = 282,511.88 × 70,042.40
  4. Step 4: Simplify right side
    188,341.28x = 19,787,810,103.71
  5. Step 5: Solve for x
    x = 19,787,810,103.71/188,341.28
  6. Step 6: Final answer
    x = 105,063.59

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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.