Home / 154,621.44-213,285.96-97,934.40

Finding the Fourth Proportional to 154,621.44, 213,285.96 and 97,934.40

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Solution

The fourth proportional to 154,621.44, 213,285.96 and 97,934.40 is: 135,091.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,621.44 : 213,285.96 = 97,934.40 : x
  2. Step 2: Convert to fraction form
    154,621.44/213,285.96 = 97,934.40/x
  3. Step 3: Cross multiply
    154,621.44x = 213,285.96 × 97,934.40
  4. Step 4: Simplify right side
    154,621.44x = 20,888,032,521.02
  5. Step 5: Solve for x
    x = 20,888,032,521.02/154,621.44
  6. Step 6: Final answer
    x = 135,091.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.