Home / 147,055.23-220,666.68-122,393.97

Finding the Fourth Proportional to 147,055.23, 220,666.68 and 122,393.97

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Solution

The fourth proportional to 147,055.23, 220,666.68 and 122,393.97 is: 183,660.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,055.23 : 220,666.68 = 122,393.97 : x
  2. Step 2: Convert to fraction form
    147,055.23/220,666.68 = 122,393.97/x
  3. Step 3: Cross multiply
    147,055.23x = 220,666.68 × 122,393.97
  4. Step 4: Simplify right side
    147,055.23x = 27,008,271,011.92
  5. Step 5: Solve for x
    x = 27,008,271,011.92/147,055.23
  6. Step 6: Final answer
    x = 183,660.73

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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.