Home / 185,122.53-277,784.28-78,566.42

Finding the Fourth Proportional to 185,122.53, 277,784.28 and 78,566.42

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Solution

The fourth proportional to 185,122.53, 277,784.28 and 78,566.42 is: 117,892.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,122.53 : 277,784.28 = 78,566.42 : x
  2. Step 2: Convert to fraction form
    185,122.53/277,784.28 = 78,566.42/x
  3. Step 3: Cross multiply
    185,122.53x = 277,784.28 × 78,566.42
  4. Step 4: Simplify right side
    185,122.53x = 21,824,517,106.34
  5. Step 5: Solve for x
    x = 21,824,517,106.34/185,122.53
  6. Step 6: Final answer
    x = 117,892.28

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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.