Home / 118,815.79-178,186.01-38,835.67

Finding the Fourth Proportional to 118,815.79, 178,186.01 and 38,835.67

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Solution

The fourth proportional to 118,815.79, 178,186.01 and 38,835.67 is: 58,241.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,815.79 : 178,186.01 = 38,835.67 : x
  2. Step 2: Convert to fraction form
    118,815.79/178,186.01 = 38,835.67/x
  3. Step 3: Cross multiply
    118,815.79x = 178,186.01 × 38,835.67
  4. Step 4: Simplify right side
    118,815.79x = 6,919,972,888.80
  5. Step 5: Solve for x
    x = 6,919,972,888.80/118,815.79
  6. Step 6: Final answer
    x = 58,241.19

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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.