Home / 119,955.20-179,872.47-39,964.84

Finding the Fourth Proportional to 119,955.20, 179,872.47 and 39,964.84

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Solution

The fourth proportional to 119,955.20, 179,872.47 and 39,964.84 is: 59,927.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,955.20 : 179,872.47 = 39,964.84 : x
  2. Step 2: Convert to fraction form
    119,955.20/179,872.47 = 39,964.84/x
  3. Step 3: Cross multiply
    119,955.20x = 179,872.47 × 39,964.84
  4. Step 4: Simplify right side
    119,955.20x = 7,188,575,158.46
  5. Step 5: Solve for x
    x = 7,188,575,158.46/119,955.20
  6. Step 6: Final answer
    x = 59,927.16

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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.