Home / 133,929.39-200,903.81-40,442.43

Finding the Fourth Proportional to 133,929.39, 200,903.81 and 40,442.43

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Solution

The fourth proportional to 133,929.39, 200,903.81 and 40,442.43 is: 60,666.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,929.39 : 200,903.81 = 40,442.43 : x
  2. Step 2: Convert to fraction form
    133,929.39/200,903.81 = 40,442.43/x
  3. Step 3: Cross multiply
    133,929.39x = 200,903.81 × 40,442.43
  4. Step 4: Simplify right side
    133,929.39x = 8,125,038,070.45
  5. Step 5: Solve for x
    x = 8,125,038,070.45/133,929.39
  6. Step 6: Final answer
    x = 60,666.58

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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.