Home / 113,289.44-156,295.18-64,865.49

Finding the Fourth Proportional to 113,289.44, 156,295.18 and 64,865.49

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Solution

The fourth proportional to 113,289.44, 156,295.18 and 64,865.49 is: 89,489.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,289.44 : 156,295.18 = 64,865.49 : x
  2. Step 2: Convert to fraction form
    113,289.44/156,295.18 = 64,865.49/x
  3. Step 3: Cross multiply
    113,289.44x = 156,295.18 × 64,865.49
  4. Step 4: Simplify right side
    113,289.44x = 10,138,163,435.34
  5. Step 5: Solve for x
    x = 10,138,163,435.34/113,289.44
  6. Step 6: Final answer
    x = 89,489.04

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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.