Home / 78,914.03-118,387.66-25,601.84

Finding the Fourth Proportional to 78,914.03, 118,387.66 and 25,601.84

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Solution

The fourth proportional to 78,914.03, 118,387.66 and 25,601.84 is: 38,408.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,914.03 : 118,387.66 = 25,601.84 : x
  2. Step 2: Convert to fraction form
    78,914.03/118,387.66 = 25,601.84/x
  3. Step 3: Cross multiply
    78,914.03x = 118,387.66 × 25,601.84
  4. Step 4: Simplify right side
    78,914.03x = 3,030,941,929.29
  5. Step 5: Solve for x
    x = 3,030,941,929.29/78,914.03
  6. Step 6: Final answer
    x = 38,408.15

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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.