Home / 179,768.46-269,232.48-142,075.53

Finding the Fourth Proportional to 179,768.46, 269,232.48 and 142,075.53

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Solution

The fourth proportional to 179,768.46, 269,232.48 and 142,075.53 is: 212,781.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,768.46 : 269,232.48 = 142,075.53 : x
  2. Step 2: Convert to fraction form
    179,768.46/269,232.48 = 142,075.53/x
  3. Step 3: Cross multiply
    179,768.46x = 269,232.48 × 142,075.53
  4. Step 4: Simplify right side
    179,768.46x = 38,251,347,289.21
  5. Step 5: Solve for x
    x = 38,251,347,289.21/179,768.46
  6. Step 6: Final answer
    x = 212,781.19

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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.