Home / 133,945.10-200,844.65-40,438.70

Finding the Fourth Proportional to 133,945.10, 200,844.65 and 40,438.70

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Solution

The fourth proportional to 133,945.10, 200,844.65 and 40,438.70 is: 60,636.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,945.10 : 200,844.65 = 40,438.70 : x
  2. Step 2: Convert to fraction form
    133,945.10/200,844.65 = 40,438.70/x
  3. Step 3: Cross multiply
    133,945.10x = 200,844.65 × 40,438.70
  4. Step 4: Simplify right side
    133,945.10x = 8,121,896,547.96
  5. Step 5: Solve for x
    x = 8,121,896,547.96/133,945.10
  6. Step 6: Final answer
    x = 60,636.01

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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.