Home / 145,648.53-218,496.30-43,076.25

Finding the Fourth Proportional to 145,648.53, 218,496.30 and 43,076.25

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Solution

The fourth proportional to 145,648.53, 218,496.30 and 43,076.25 is: 64,621.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,648.53 : 218,496.30 = 43,076.25 : x
  2. Step 2: Convert to fraction form
    145,648.53/218,496.30 = 43,076.25/x
  3. Step 3: Cross multiply
    145,648.53x = 218,496.30 × 43,076.25
  4. Step 4: Simplify right side
    145,648.53x = 9,412,001,242.88
  5. Step 5: Solve for x
    x = 9,412,001,242.88/145,648.53
  6. Step 6: Final answer
    x = 64,621.33

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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.