Home / 152,829.32-229,213.60-76,907.61

Finding the Fourth Proportional to 152,829.32, 229,213.60 and 76,907.61

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Solution

The fourth proportional to 152,829.32, 229,213.60 and 76,907.61 is: 115,346.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,829.32 : 229,213.60 = 76,907.61 : x
  2. Step 2: Convert to fraction form
    152,829.32/229,213.60 = 76,907.61/x
  3. Step 3: Cross multiply
    152,829.32x = 229,213.60 × 76,907.61
  4. Step 4: Simplify right side
    152,829.32x = 17,628,269,963.23
  5. Step 5: Solve for x
    x = 17,628,269,963.23/152,829.32
  6. Step 6: Final answer
    x = 115,346.13

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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.