Home / 168,511.35-252,840.54-89,533.11

Finding the Fourth Proportional to 168,511.35, 252,840.54 and 89,533.11

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Solution

The fourth proportional to 168,511.35, 252,840.54 and 89,533.11 is: 134,338.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,511.35 : 252,840.54 = 89,533.11 : x
  2. Step 2: Convert to fraction form
    168,511.35/252,840.54 = 89,533.11/x
  3. Step 3: Cross multiply
    168,511.35x = 252,840.54 × 89,533.11
  4. Step 4: Simplify right side
    168,511.35x = 22,637,599,880.28
  5. Step 5: Solve for x
    x = 22,637,599,880.28/168,511.35
  6. Step 6: Final answer
    x = 134,338.72

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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.