Home / 145,039.36-217,579.80-64,076.56

Finding the Fourth Proportional to 145,039.36, 217,579.80 and 64,076.56

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Solution

The fourth proportional to 145,039.36, 217,579.80 and 64,076.56 is: 96,124.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,039.36 : 217,579.80 = 64,076.56 : x
  2. Step 2: Convert to fraction form
    145,039.36/217,579.80 = 64,076.56/x
  3. Step 3: Cross multiply
    145,039.36x = 217,579.80 × 64,076.56
  4. Step 4: Simplify right side
    145,039.36x = 13,941,765,109.49
  5. Step 5: Solve for x
    x = 13,941,765,109.49/145,039.36
  6. Step 6: Final answer
    x = 96,124.01

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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.