Home / 154,975.80-232,485.30-66,228.60

Finding the Fourth Proportional to 154,975.80, 232,485.30 and 66,228.60

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Solution

The fourth proportional to 154,975.80, 232,485.30 and 66,228.60 is: 99,352.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,975.80 : 232,485.30 = 66,228.60 : x
  2. Step 2: Convert to fraction form
    154,975.80/232,485.30 = 66,228.60/x
  3. Step 3: Cross multiply
    154,975.80x = 232,485.30 × 66,228.60
  4. Step 4: Simplify right side
    154,975.80x = 15,397,175,939.58
  5. Step 5: Solve for x
    x = 15,397,175,939.58/154,975.80
  6. Step 6: Final answer
    x = 99,352.13

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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.