Home / 133,931.29-200,891.16-40,434.25

Finding the Fourth Proportional to 133,931.29, 200,891.16 and 40,434.25

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Solution

The fourth proportional to 133,931.29, 200,891.16 and 40,434.25 is: 60,649.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,931.29 : 200,891.16 = 40,434.25 : x
  2. Step 2: Convert to fraction form
    133,931.29/200,891.16 = 40,434.25/x
  3. Step 3: Cross multiply
    133,931.29x = 200,891.16 × 40,434.25
  4. Step 4: Simplify right side
    133,931.29x = 8,122,883,386.23
  5. Step 5: Solve for x
    x = 8,122,883,386.23/133,931.29
  6. Step 6: Final answer
    x = 60,649.63

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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.