Home / 108,928.34-150,335.22-61,181.70

Finding the Fourth Proportional to 108,928.34, 150,335.22 and 61,181.70

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Solution

The fourth proportional to 108,928.34, 150,335.22 and 61,181.70 is: 84,438.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,928.34 : 150,335.22 = 61,181.70 : x
  2. Step 2: Convert to fraction form
    108,928.34/150,335.22 = 61,181.70/x
  3. Step 3: Cross multiply
    108,928.34x = 150,335.22 × 61,181.70
  4. Step 4: Simplify right side
    108,928.34x = 9,197,763,995.15
  5. Step 5: Solve for x
    x = 9,197,763,995.15/108,928.34
  6. Step 6: Final answer
    x = 84,438.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.