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Finding the Fourth Proportional to 160,932.30, 241,398.45 and 67,428.30

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Solution

The fourth proportional to 160,932.30, 241,398.45 and 67,428.30 is: 101,142.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,932.30 : 241,398.45 = 67,428.30 : x
  2. Step 2: Convert to fraction form
    160,932.30/241,398.45 = 67,428.30/x
  3. Step 3: Cross multiply
    160,932.30x = 241,398.45 × 67,428.30
  4. Step 4: Simplify right side
    160,932.30x = 16,277,087,106.14
  5. Step 5: Solve for x
    x = 16,277,087,106.14/160,932.30
  6. Step 6: Final answer
    x = 101,142.45

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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.