Home / 145,636.47-200,930.27-118,732.73

Finding the Fourth Proportional to 145,636.47, 200,930.27 and 118,732.73

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Solution

The fourth proportional to 145,636.47, 200,930.27 and 118,732.73 is: 163,811.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,636.47 : 200,930.27 = 118,732.73 : x
  2. Step 2: Convert to fraction form
    145,636.47/200,930.27 = 118,732.73/x
  3. Step 3: Cross multiply
    145,636.47x = 200,930.27 × 118,732.73
  4. Step 4: Simplify right side
    145,636.47x = 23,856,997,898.42
  5. Step 5: Solve for x
    x = 23,856,997,898.42/145,636.47
  6. Step 6: Final answer
    x = 163,811.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.