Home / 150,935.40-226,403.10-136,938.60

Finding the Fourth Proportional to 150,935.40, 226,403.10 and 136,938.60

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Solution

The fourth proportional to 150,935.40, 226,403.10 and 136,938.60 is: 205,407.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,935.40 : 226,403.10 = 136,938.60 : x
  2. Step 2: Convert to fraction form
    150,935.40/226,403.10 = 136,938.60/x
  3. Step 3: Cross multiply
    150,935.40x = 226,403.10 × 136,938.60
  4. Step 4: Simplify right side
    150,935.40x = 31,003,323,549.66
  5. Step 5: Solve for x
    x = 31,003,323,549.66/150,935.40
  6. Step 6: Final answer
    x = 205,407.90

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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.