Home / 119,023.20-178,286.40-55,897.20

Finding the Fourth Proportional to 119,023.20, 178,286.40 and 55,897.20

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Solution

The fourth proportional to 119,023.20, 178,286.40 and 55,897.20 is: 83,729.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,023.20 : 178,286.40 = 55,897.20 : x
  2. Step 2: Convert to fraction form
    119,023.20/178,286.40 = 55,897.20/x
  3. Step 3: Cross multiply
    119,023.20x = 178,286.40 × 55,897.20
  4. Step 4: Simplify right side
    119,023.20x = 9,965,710,558.08
  5. Step 5: Solve for x
    x = 9,965,710,558.08/119,023.20
  6. Step 6: Final answer
    x = 83,729.14

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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.