Home / 119,396.46-179,056.64-39,419.52

Finding the Fourth Proportional to 119,396.46, 179,056.64 and 39,419.52

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Solution

The fourth proportional to 119,396.46, 179,056.64 and 39,419.52 is: 59,116.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,396.46 : 179,056.64 = 39,419.52 : x
  2. Step 2: Convert to fraction form
    119,396.46/179,056.64 = 39,419.52/x
  3. Step 3: Cross multiply
    119,396.46x = 179,056.64 × 39,419.52
  4. Step 4: Simplify right side
    119,396.46x = 7,058,326,801.61
  5. Step 5: Solve for x
    x = 7,058,326,801.61/119,396.46
  6. Step 6: Final answer
    x = 59,116.72

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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.