Home / 152,810.75-229,185.80-76,889.05

Finding the Fourth Proportional to 152,810.75, 229,185.80 and 76,889.05

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Solution

The fourth proportional to 152,810.75, 229,185.80 and 76,889.05 is: 115,318.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,810.75 : 229,185.80 = 76,889.05 : x
  2. Step 2: Convert to fraction form
    152,810.75/229,185.80 = 76,889.05/x
  3. Step 3: Cross multiply
    152,810.75x = 229,185.80 × 76,889.05
  4. Step 4: Simplify right side
    152,810.75x = 17,621,878,198.92
  5. Step 5: Solve for x
    x = 17,621,878,198.92/152,810.75
  6. Step 6: Final answer
    x = 115,318.31

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1.5x scale

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.