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Finding the Fourth Proportional to 160,020.64, 220,841.40 and 88,406.92

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Solution

The fourth proportional to 160,020.64, 220,841.40 and 88,406.92 is: 122,008.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,020.64 : 220,841.40 = 88,406.92 : x
  2. Step 2: Convert to fraction form
    160,020.64/220,841.40 = 88,406.92/x
  3. Step 3: Cross multiply
    160,020.64x = 220,841.40 × 88,406.92
  4. Step 4: Simplify right side
    160,020.64x = 19,523,907,982.49
  5. Step 5: Solve for x
    x = 19,523,907,982.49/160,020.64
  6. Step 6: Final answer
    x = 122,008.69

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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.