Home / 156,258.72-234,472.32-103,692.96

Finding the Fourth Proportional to 156,258.72, 234,472.32 and 103,692.96

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Solution

The fourth proportional to 156,258.72, 234,472.32 and 103,692.96 is: 155,595.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,258.72 : 234,472.32 = 103,692.96 : x
  2. Step 2: Convert to fraction form
    156,258.72/234,472.32 = 103,692.96/x
  3. Step 3: Cross multiply
    156,258.72x = 234,472.32 × 103,692.96
  4. Step 4: Simplify right side
    156,258.72x = 24,313,128,898.87
  5. Step 5: Solve for x
    x = 24,313,128,898.87/156,258.72
  6. Step 6: Final answer
    x = 155,595.34

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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.