Home / 133,161.92-183,760.48-72,732.79

Finding the Fourth Proportional to 133,161.92, 183,760.48 and 72,732.79

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Solution

The fourth proportional to 133,161.92, 183,760.48 and 72,732.79 is: 100,369.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,161.92 : 183,760.48 = 72,732.79 : x
  2. Step 2: Convert to fraction form
    133,161.92/183,760.48 = 72,732.79/x
  3. Step 3: Cross multiply
    133,161.92x = 183,760.48 × 72,732.79
  4. Step 4: Simplify right side
    133,161.92x = 13,365,411,689.10
  5. Step 5: Solve for x
    x = 13,365,411,689.10/133,161.92
  6. Step 6: Final answer
    x = 100,369.62

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1.5x scale

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.