Home / 272,901.60-409,333.21-102,090.72

Finding the Fourth Proportional to 272,901.60, 409,333.21 and 102,090.72

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Solution

The fourth proportional to 272,901.60, 409,333.21 and 102,090.72 is: 153,128.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,901.60 : 409,333.21 = 102,090.72 : x
  2. Step 2: Convert to fraction form
    272,901.60/409,333.21 = 102,090.72/x
  3. Step 3: Cross multiply
    272,901.60x = 409,333.21 × 102,090.72
  4. Step 4: Simplify right side
    272,901.60x = 41,789,123,407.37
  5. Step 5: Solve for x
    x = 41,789,123,407.37/272,901.60
  6. Step 6: Final answer
    x = 153,128.91

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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.