Home / 154,032.75-231,075.40-68,674.58

Finding the Fourth Proportional to 154,032.75, 231,075.40 and 68,674.58

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Solution

The fourth proportional to 154,032.75, 231,075.40 and 68,674.58 is: 103,023.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,032.75 : 231,075.40 = 68,674.58 : x
  2. Step 2: Convert to fraction form
    154,032.75/231,075.40 = 68,674.58/x
  3. Step 3: Cross multiply
    154,032.75x = 231,075.40 × 68,674.58
  4. Step 4: Simplify right side
    154,032.75x = 15,869,006,043.33
  5. Step 5: Solve for x
    x = 15,869,006,043.33/154,032.75
  6. Step 6: Final answer
    x = 103,023.58

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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.