Home / 160,385.20-221,355.04-92,388.96

Finding the Fourth Proportional to 160,385.20, 221,355.04 and 92,388.96

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Solution

The fourth proportional to 160,385.20, 221,355.04 and 92,388.96 is: 127,510.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,385.20 : 221,355.04 = 92,388.96 : x
  2. Step 2: Convert to fraction form
    160,385.20/221,355.04 = 92,388.96/x
  3. Step 3: Cross multiply
    160,385.20x = 221,355.04 × 92,388.96
  4. Step 4: Simplify right side
    160,385.20x = 20,450,761,936.36
  5. Step 5: Solve for x
    x = 20,450,761,936.36/160,385.20
  6. Step 6: Final answer
    x = 127,510.28

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1.5x scale

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.