Home / 138,089.34-207,116.73-55,041.66

Finding the Fourth Proportional to 138,089.34, 207,116.73 and 55,041.66

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Solution

The fourth proportional to 138,089.34, 207,116.73 and 55,041.66 is: 82,555.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,089.34 : 207,116.73 = 55,041.66 : x
  2. Step 2: Convert to fraction form
    138,089.34/207,116.73 = 55,041.66/x
  3. Step 3: Cross multiply
    138,089.34x = 207,116.73 × 55,041.66
  4. Step 4: Simplify right side
    138,089.34x = 11,400,048,632.97
  5. Step 5: Solve for x
    x = 11,400,048,632.97/138,089.34
  6. Step 6: Final answer
    x = 82,555.60

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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.