Home / 99,241.08-148,878-45,986.28

Finding the Fourth Proportional to 99,241.08, 148,878 and 45,986.28

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Solution

The fourth proportional to 99,241.08, 148,878 and 45,986.28 is: 68,987.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,241.08 : 148,878 = 45,986.28 : x
  2. Step 2: Convert to fraction form
    99,241.08/148,878 = 45,986.28/x
  3. Step 3: Cross multiply
    99,241.08x = 148,878 × 45,986.28
  4. Step 4: Simplify right side
    99,241.08x = 6,846,345,393.84
  5. Step 5: Solve for x
    x = 6,846,345,393.84/99,241.08
  6. Step 6: Final answer
    x = 68,987.01

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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.