Home / 119,926.40-179,954.40-49,812.80

Finding the Fourth Proportional to 119,926.40, 179,954.40 and 49,812.80

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Solution

The fourth proportional to 119,926.40, 179,954.40 and 49,812.80 is: 74,746.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,926.40 : 179,954.40 = 49,812.80 : x
  2. Step 2: Convert to fraction form
    119,926.40/179,954.40 = 49,812.80/x
  3. Step 3: Cross multiply
    119,926.40x = 179,954.40 × 49,812.80
  4. Step 4: Simplify right side
    119,926.40x = 8,964,032,536.32
  5. Step 5: Solve for x
    x = 8,964,032,536.32/119,926.40
  6. Step 6: Final answer
    x = 74,746.12

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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.