Home / 154,004.40-231,006.60-144,673.20

Finding the Fourth Proportional to 154,004.40, 231,006.60 and 144,673.20

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Solution

The fourth proportional to 154,004.40, 231,006.60 and 144,673.20 is: 217,009.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,004.40 : 231,006.60 = 144,673.20 : x
  2. Step 2: Convert to fraction form
    154,004.40/231,006.60 = 144,673.20/x
  3. Step 3: Cross multiply
    154,004.40x = 231,006.60 × 144,673.20
  4. Step 4: Simplify right side
    154,004.40x = 33,420,464,043.12
  5. Step 5: Solve for x
    x = 33,420,464,043.12/154,004.40
  6. Step 6: Final answer
    x = 217,009.80

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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.