Home / 177,671.43-245,187.55-100,148.28

Finding the Fourth Proportional to 177,671.43, 245,187.55 and 100,148.28

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Solution

The fourth proportional to 177,671.43, 245,187.55 and 100,148.28 is: 138,205.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,671.43 : 245,187.55 = 100,148.28 : x
  2. Step 2: Convert to fraction form
    177,671.43/245,187.55 = 100,148.28/x
  3. Step 3: Cross multiply
    177,671.43x = 245,187.55 × 100,148.28
  4. Step 4: Simplify right side
    177,671.43x = 24,555,111,409.91
  5. Step 5: Solve for x
    x = 24,555,111,409.91/177,671.43
  6. Step 6: Final answer
    x = 138,205.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.