Home / 139,727.43-209,454.46-55,459.59

Finding the Fourth Proportional to 139,727.43, 209,454.46 and 55,459.59

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Solution

The fourth proportional to 139,727.43, 209,454.46 and 55,459.59 is: 83,135.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,727.43 : 209,454.46 = 55,459.59 : x
  2. Step 2: Convert to fraction form
    139,727.43/209,454.46 = 55,459.59/x
  3. Step 3: Cross multiply
    139,727.43x = 209,454.46 × 55,459.59
  4. Step 4: Simplify right side
    139,727.43x = 11,616,257,551.17
  5. Step 5: Solve for x
    x = 11,616,257,551.17/139,727.43
  6. Step 6: Final answer
    x = 83,135.13

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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.