Home / 160,728.22-221,800.08-89,104.06

Finding the Fourth Proportional to 160,728.22, 221,800.08 and 89,104.06

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Solution

The fourth proportional to 160,728.22, 221,800.08 and 89,104.06 is: 122,960.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,728.22 : 221,800.08 = 89,104.06 : x
  2. Step 2: Convert to fraction form
    160,728.22/221,800.08 = 89,104.06/x
  3. Step 3: Cross multiply
    160,728.22x = 221,800.08 × 89,104.06
  4. Step 4: Simplify right side
    160,728.22x = 19,763,287,636.32
  5. Step 5: Solve for x
    x = 19,763,287,636.32/160,728.22
  6. Step 6: Final answer
    x = 122,960.91

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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.