Home / 119,938.14-179,913.69-31,191.84

Finding the Fourth Proportional to 119,938.14, 179,913.69 and 31,191.84

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Solution

The fourth proportional to 119,938.14, 179,913.69 and 31,191.84 is: 46,789.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,938.14 : 179,913.69 = 31,191.84 : x
  2. Step 2: Convert to fraction form
    119,938.14/179,913.69 = 31,191.84/x
  3. Step 3: Cross multiply
    119,938.14x = 179,913.69 × 31,191.84
  4. Step 4: Simplify right side
    119,938.14x = 5,611,839,032.29
  5. Step 5: Solve for x
    x = 5,611,839,032.29/119,938.14
  6. Step 6: Final answer
    x = 46,789.45

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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.