Home / 139,826.77-209,657.19-55,541.61

Finding the Fourth Proportional to 139,826.77, 209,657.19 and 55,541.61

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Solution

The fourth proportional to 139,826.77, 209,657.19 and 55,541.61 is: 83,279.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,826.77 : 209,657.19 = 55,541.61 : x
  2. Step 2: Convert to fraction form
    139,826.77/209,657.19 = 55,541.61/x
  3. Step 3: Cross multiply
    139,826.77x = 209,657.19 × 55,541.61
  4. Step 4: Simplify right side
    139,826.77x = 11,644,697,880.68
  5. Step 5: Solve for x
    x = 11,644,697,880.68/139,826.77
  6. Step 6: Final answer
    x = 83,279.46

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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.