Home / 179,656.17-269,188.70-142,455.21

Finding the Fourth Proportional to 179,656.17, 269,188.70 and 142,455.21

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Solution

The fourth proportional to 179,656.17, 269,188.70 and 142,455.21 is: 213,448.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,656.17 : 269,188.70 = 142,455.21 : x
  2. Step 2: Convert to fraction form
    179,656.17/269,188.70 = 142,455.21/x
  3. Step 3: Cross multiply
    179,656.17x = 269,188.70 × 142,455.21
  4. Step 4: Simplify right side
    179,656.17x = 38,347,332,075.85
  5. Step 5: Solve for x
    x = 38,347,332,075.85/179,656.17
  6. Step 6: Final answer
    x = 213,448.46

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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.