Home / 160,520.39-221,518.04-88,900.34

Finding the Fourth Proportional to 160,520.39, 221,518.04 and 88,900.34

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Solution

The fourth proportional to 160,520.39, 221,518.04 and 88,900.34 is: 122,682.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,520.39 : 221,518.04 = 88,900.34 : x
  2. Step 2: Convert to fraction form
    160,520.39/221,518.04 = 88,900.34/x
  3. Step 3: Cross multiply
    160,520.39x = 221,518.04 × 88,900.34
  4. Step 4: Simplify right side
    160,520.39x = 19,693,027,520.04
  5. Step 5: Solve for x
    x = 19,693,027,520.04/160,520.39
  6. Step 6: Final answer
    x = 122,682.41

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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.