Home / 163,788.84-225,948.42-100,016.28

Finding the Fourth Proportional to 163,788.84, 225,948.42 and 100,016.28

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Solution

The fourth proportional to 163,788.84, 225,948.42 and 100,016.28 is: 137,973.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,788.84 : 225,948.42 = 100,016.28 : x
  2. Step 2: Convert to fraction form
    163,788.84/225,948.42 = 100,016.28/x
  3. Step 3: Cross multiply
    163,788.84x = 225,948.42 × 100,016.28
  4. Step 4: Simplify right side
    163,788.84x = 22,598,520,440.28
  5. Step 5: Solve for x
    x = 22,598,520,440.28/163,788.84
  6. Step 6: Final answer
    x = 137,973.51

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1.5x scale

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.