Home / 175,685.76-263,403.36-82,140.48

Finding the Fourth Proportional to 175,685.76, 263,403.36 and 82,140.48

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Solution

The fourth proportional to 175,685.76, 263,403.36 and 82,140.48 is: 123,152.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,685.76 : 263,403.36 = 82,140.48 : x
  2. Step 2: Convert to fraction form
    175,685.76/263,403.36 = 82,140.48/x
  3. Step 3: Cross multiply
    175,685.76x = 263,403.36 × 82,140.48
  4. Step 4: Simplify right side
    175,685.76x = 21,636,078,424.01
  5. Step 5: Solve for x
    x = 21,636,078,424.01/175,685.76
  6. Step 6: Final answer
    x = 123,152.15

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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.