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Finding the Fourth Proportional to 161,154.30, 241,731.17 and 42,825.64

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Solution

The fourth proportional to 161,154.30, 241,731.17 and 42,825.64 is: 64,238.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,154.30 : 241,731.17 = 42,825.64 : x
  2. Step 2: Convert to fraction form
    161,154.30/241,731.17 = 42,825.64/x
  3. Step 3: Cross multiply
    161,154.30x = 241,731.17 × 42,825.64
  4. Step 4: Simplify right side
    161,154.30x = 10,352,291,359.39
  5. Step 5: Solve for x
    x = 10,352,291,359.39/161,154.30
  6. Step 6: Final answer
    x = 64,238.38

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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.