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Finding the Fourth Proportional to 179,475, 247,680.66 and 99,992.12

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Solution

The fourth proportional to 179,475, 247,680.66 and 99,992.12 is: 137,992.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,475 : 247,680.66 = 99,992.12 : x
  2. Step 2: Convert to fraction form
    179,475/247,680.66 = 99,992.12/x
  3. Step 3: Cross multiply
    179,475x = 247,680.66 × 99,992.12
  4. Step 4: Simplify right side
    179,475x = 24,766,114,276.40
  5. Step 5: Solve for x
    x = 24,766,114,276.40/179,475
  6. Step 6: Final answer
    x = 137,992.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.