Home / 129,023.40-193,535.10-55,295.40

Finding the Fourth Proportional to 129,023.40, 193,535.10 and 55,295.40

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Solution

The fourth proportional to 129,023.40, 193,535.10 and 55,295.40 is: 82,943.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,023.40 : 193,535.10 = 55,295.40 : x
  2. Step 2: Convert to fraction form
    129,023.40/193,535.10 = 55,295.40/x
  3. Step 3: Cross multiply
    129,023.40x = 193,535.10 × 55,295.40
  4. Step 4: Simplify right side
    129,023.40x = 10,701,600,768.54
  5. Step 5: Solve for x
    x = 10,701,600,768.54/129,023.40
  6. Step 6: Final answer
    x = 82,943.10

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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.