Home / 121,913.72-182,890.10-37,654.07

Finding the Fourth Proportional to 121,913.72, 182,890.10 and 37,654.07

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Solution

The fourth proportional to 121,913.72, 182,890.10 and 37,654.07 is: 56,487.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,913.72 : 182,890.10 = 37,654.07 : x
  2. Step 2: Convert to fraction form
    121,913.72/182,890.10 = 37,654.07/x
  3. Step 3: Cross multiply
    121,913.72x = 182,890.10 × 37,654.07
  4. Step 4: Simplify right side
    121,913.72x = 6,886,556,896.66
  5. Step 5: Solve for x
    x = 6,886,556,896.66/121,913.72
  6. Step 6: Final answer
    x = 56,487.14

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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.