Home / 185,120.10-277,457.58-85,142.52

Finding the Fourth Proportional to 185,120.10, 277,457.58 and 85,142.52

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Solution

The fourth proportional to 185,120.10, 277,457.58 and 85,142.52 is: 127,611.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,120.10 : 277,457.58 = 85,142.52 : x
  2. Step 2: Convert to fraction form
    185,120.10/277,457.58 = 85,142.52/x
  3. Step 3: Cross multiply
    185,120.10x = 277,457.58 × 85,142.52
  4. Step 4: Simplify right side
    185,120.10x = 23,623,437,554.30
  5. Step 5: Solve for x
    x = 23,623,437,554.30/185,120.10
  6. Step 6: Final answer
    x = 127,611.41

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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.