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Finding the Fourth Proportional to 119,809.58, 179,683.60 and 35,549.81

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Solution

The fourth proportional to 119,809.58, 179,683.60 and 35,549.81 is: 53,315.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,809.58 : 179,683.60 = 35,549.81 : x
  2. Step 2: Convert to fraction form
    119,809.58/179,683.60 = 35,549.81/x
  3. Step 3: Cross multiply
    119,809.58x = 179,683.60 × 35,549.81
  4. Step 4: Simplify right side
    119,809.58x = 6,387,717,526.64
  5. Step 5: Solve for x
    x = 6,387,717,526.64/119,809.58
  6. Step 6: Final answer
    x = 53,315.58

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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.