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Finding the Fourth Proportional to 160,066.70, 220,884.96 and 88,445.18

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Solution

The fourth proportional to 160,066.70, 220,884.96 and 88,445.18 is: 122,050.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,066.70 : 220,884.96 = 88,445.18 : x
  2. Step 2: Convert to fraction form
    160,066.70/220,884.96 = 88,445.18/x
  3. Step 3: Cross multiply
    160,066.70x = 220,884.96 × 88,445.18
  4. Step 4: Simplify right side
    160,066.70x = 19,536,208,942.07
  5. Step 5: Solve for x
    x = 19,536,208,942.07/160,066.70
  6. Step 6: Final answer
    x = 122,050.43

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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.