Home / 133,916.16-200,875.68-40,422.72

Finding the Fourth Proportional to 133,916.16, 200,875.68 and 40,422.72

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Solution

The fourth proportional to 133,916.16, 200,875.68 and 40,422.72 is: 60,634.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,916.16 : 200,875.68 = 40,422.72 : x
  2. Step 2: Convert to fraction form
    133,916.16/200,875.68 = 40,422.72/x
  3. Step 3: Cross multiply
    133,916.16x = 200,875.68 × 40,422.72
  4. Step 4: Simplify right side
    133,916.16x = 8,119,941,367.45
  5. Step 5: Solve for x
    x = 8,119,941,367.45/133,916.16
  6. Step 6: Final answer
    x = 60,634.51

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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.