Home / 102,888.50-154,341.99-28,009.04

Finding the Fourth Proportional to 102,888.50, 154,341.99 and 28,009.04

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Solution

The fourth proportional to 102,888.50, 154,341.99 and 28,009.04 is: 42,016.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,888.50 : 154,341.99 = 28,009.04 : x
  2. Step 2: Convert to fraction form
    102,888.50/154,341.99 = 28,009.04/x
  3. Step 3: Cross multiply
    102,888.50x = 154,341.99 × 28,009.04
  4. Step 4: Simplify right side
    102,888.50x = 4,322,970,199.88
  5. Step 5: Solve for x
    x = 4,322,970,199.88/102,888.50
  6. Step 6: Final answer
    x = 42,016.07

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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.