Home / 154,125.78-230,868.72-142,914.57

Finding the Fourth Proportional to 154,125.78, 230,868.72 and 142,914.57

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Solution

The fourth proportional to 154,125.78, 230,868.72 and 142,914.57 is: 214,075.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,125.78 : 230,868.72 = 142,914.57 : x
  2. Step 2: Convert to fraction form
    154,125.78/230,868.72 = 142,914.57/x
  3. Step 3: Cross multiply
    154,125.78x = 230,868.72 × 142,914.57
  4. Step 4: Simplify right side
    154,125.78x = 32,994,503,845.25
  5. Step 5: Solve for x
    x = 32,994,503,845.25/154,125.78
  6. Step 6: Final answer
    x = 214,075.18

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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.