Home / 168,578.28-232,642.59-100,634.69

Finding the Fourth Proportional to 168,578.28, 232,642.59 and 100,634.69

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Solution

The fourth proportional to 168,578.28, 232,642.59 and 100,634.69 is: 138,878.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,578.28 : 232,642.59 = 100,634.69 : x
  2. Step 2: Convert to fraction form
    168,578.28/232,642.59 = 100,634.69/x
  3. Step 3: Cross multiply
    168,578.28x = 232,642.59 × 100,634.69
  4. Step 4: Simplify right side
    168,578.28x = 23,411,914,925.45
  5. Step 5: Solve for x
    x = 23,411,914,925.45/168,578.28
  6. Step 6: Final answer
    x = 138,878.60

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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.