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Finding the Fourth Proportional to 141,423.52, 211,958.64 and 62,488.48

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Solution

The fourth proportional to 141,423.52, 211,958.64 and 62,488.48 is: 93,654.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,423.52 : 211,958.64 = 62,488.48 : x
  2. Step 2: Convert to fraction form
    141,423.52/211,958.64 = 62,488.48/x
  3. Step 3: Cross multiply
    141,423.52x = 211,958.64 × 62,488.48
  4. Step 4: Simplify right side
    141,423.52x = 13,244,973,236.47
  5. Step 5: Solve for x
    x = 13,244,973,236.47/141,423.52
  6. Step 6: Final answer
    x = 93,654.67

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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.