Home / 138,350.72-207,533.54-43,588.35

Finding the Fourth Proportional to 138,350.72, 207,533.54 and 43,588.35

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Solution

The fourth proportional to 138,350.72, 207,533.54 and 43,588.35 is: 65,384.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,350.72 : 207,533.54 = 43,588.35 : x
  2. Step 2: Convert to fraction form
    138,350.72/207,533.54 = 43,588.35/x
  3. Step 3: Cross multiply
    138,350.72x = 207,533.54 × 43,588.35
  4. Step 4: Simplify right side
    138,350.72x = 9,046,044,360.32
  5. Step 5: Solve for x
    x = 9,046,044,360.32/138,350.72
  6. Step 6: Final answer
    x = 65,384.88

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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.