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Finding the Fourth Proportional to 119,996.94, 179,992.96 and 31,248.48

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Solution

The fourth proportional to 119,996.94, 179,992.96 and 31,248.48 is: 46,872.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,996.94 : 179,992.96 = 31,248.48 : x
  2. Step 2: Convert to fraction form
    119,996.94/179,992.96 = 31,248.48/x
  3. Step 3: Cross multiply
    119,996.94x = 179,992.96 × 31,248.48
  4. Step 4: Simplify right side
    119,996.94x = 5,624,506,410.70
  5. Step 5: Solve for x
    x = 5,624,506,410.70/119,996.94
  6. Step 6: Final answer
    x = 46,872.08

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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.