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Finding the Fourth Proportional to 160,999.80, 241,542.90 and 143,590.20

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Solution

The fourth proportional to 160,999.80, 241,542.90 and 143,590.20 is: 215,423.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,999.80 : 241,542.90 = 143,590.20 : x
  2. Step 2: Convert to fraction form
    160,999.80/241,542.90 = 143,590.20/x
  3. Step 3: Cross multiply
    160,999.80x = 241,542.90 × 143,590.20
  4. Step 4: Simplify right side
    160,999.80x = 34,683,193,319.58
  5. Step 5: Solve for x
    x = 34,683,193,319.58/160,999.80
  6. Step 6: Final answer
    x = 215,423.83

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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.