Home / 154,537.80-231,806.70-144,040.20

Finding the Fourth Proportional to 154,537.80, 231,806.70 and 144,040.20

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Solution

The fourth proportional to 154,537.80, 231,806.70 and 144,040.20 is: 216,060.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,537.80 : 231,806.70 = 144,040.20 : x
  2. Step 2: Convert to fraction form
    154,537.80/231,806.70 = 144,040.20/x
  3. Step 3: Cross multiply
    154,537.80x = 231,806.70 × 144,040.20
  4. Step 4: Simplify right side
    154,537.80x = 33,389,483,429.34
  5. Step 5: Solve for x
    x = 33,389,483,429.34/154,537.80
  6. Step 6: Final answer
    x = 216,060.30

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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.