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Finding the Fourth Proportional to 160,941.80, 241,455.90 and 143,532.20

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Solution

The fourth proportional to 160,941.80, 241,455.90 and 143,532.20 is: 215,336.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,941.80 : 241,455.90 = 143,532.20 : x
  2. Step 2: Convert to fraction form
    160,941.80/241,455.90 = 143,532.20/x
  3. Step 3: Cross multiply
    160,941.80x = 241,455.90 × 143,532.20
  4. Step 4: Simplify right side
    160,941.80x = 34,656,696,529.98
  5. Step 5: Solve for x
    x = 34,656,696,529.98/160,941.80
  6. Step 6: Final answer
    x = 215,336.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.