Home / 104,269.64-156,426.32-45,113.72

Finding the Fourth Proportional to 104,269.64, 156,426.32 and 45,113.72

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Solution

The fourth proportional to 104,269.64, 156,426.32 and 45,113.72 is: 67,680.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,269.64 : 156,426.32 = 45,113.72 : x
  2. Step 2: Convert to fraction form
    104,269.64/156,426.32 = 45,113.72/x
  3. Step 3: Cross multiply
    104,269.64x = 156,426.32 × 45,113.72
  4. Step 4: Simplify right side
    104,269.64x = 7,056,972,531.76
  5. Step 5: Solve for x
    x = 7,056,972,531.76/104,269.64
  6. Step 6: Final answer
    x = 67,680.03

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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.