Home / 104,594.40-156,803.76-72,911.34

Finding the Fourth Proportional to 104,594.40, 156,803.76 and 72,911.34

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Solution

The fourth proportional to 104,594.40, 156,803.76 and 72,911.34 is: 109,305.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,594.40 : 156,803.76 = 72,911.34 : x
  2. Step 2: Convert to fraction form
    104,594.40/156,803.76 = 72,911.34/x
  3. Step 3: Cross multiply
    104,594.40x = 156,803.76 × 72,911.34
  4. Step 4: Simplify right side
    104,594.40x = 11,432,772,258.64
  5. Step 5: Solve for x
    x = 11,432,772,258.64/104,594.40
  6. Step 6: Final answer
    x = 109,305.78

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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.