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Finding the Fourth Proportional to 183,720.48, 275,345.82 and 159,930.78

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Solution

The fourth proportional to 183,720.48, 275,345.82 and 159,930.78 is: 239,691.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,720.48 : 275,345.82 = 159,930.78 : x
  2. Step 2: Convert to fraction form
    183,720.48/275,345.82 = 159,930.78/x
  3. Step 3: Cross multiply
    183,720.48x = 275,345.82 × 159,930.78
  4. Step 4: Simplify right side
    183,720.48x = 44,036,271,762.34
  5. Step 5: Solve for x
    x = 44,036,271,762.34/183,720.48
  6. Step 6: Final answer
    x = 239,691.69

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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.