Home / 78,204.84-117,314.18-22,045.46

Finding the Fourth Proportional to 78,204.84, 117,314.18 and 22,045.46

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Solution

The fourth proportional to 78,204.84, 117,314.18 and 22,045.46 is: 33,070.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,204.84 : 117,314.18 = 22,045.46 : x
  2. Step 2: Convert to fraction form
    78,204.84/117,314.18 = 22,045.46/x
  3. Step 3: Cross multiply
    78,204.84x = 117,314.18 × 22,045.46
  4. Step 4: Simplify right side
    78,204.84x = 2,586,244,365.82
  5. Step 5: Solve for x
    x = 2,586,244,365.82/78,204.84
  6. Step 6: Final answer
    x = 33,070.13

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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.