Home / 185,021.60-277,532.40-100,749.20

Finding the Fourth Proportional to 185,021.60, 277,532.40 and 100,749.20

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Solution

The fourth proportional to 185,021.60, 277,532.40 and 100,749.20 is: 151,123.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,021.60 : 277,532.40 = 100,749.20 : x
  2. Step 2: Convert to fraction form
    185,021.60/277,532.40 = 100,749.20/x
  3. Step 3: Cross multiply
    185,021.60x = 277,532.40 × 100,749.20
  4. Step 4: Simplify right side
    185,021.60x = 27,961,167,274.08
  5. Step 5: Solve for x
    x = 27,961,167,274.08/185,021.60
  6. Step 6: Final answer
    x = 151,123.80

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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.