Home / 136,877.88-205,316.85-51,504.81

Finding the Fourth Proportional to 136,877.88, 205,316.85 and 51,504.81

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Solution

The fourth proportional to 136,877.88, 205,316.85 and 51,504.81 is: 77,257.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,877.88 : 205,316.85 = 51,504.81 : x
  2. Step 2: Convert to fraction form
    136,877.88/205,316.85 = 51,504.81/x
  3. Step 3: Cross multiply
    136,877.88x = 205,316.85 × 51,504.81
  4. Step 4: Simplify right side
    136,877.88x = 10,574,805,349.05
  5. Step 5: Solve for x
    x = 10,574,805,349.05/136,877.88
  6. Step 6: Final answer
    x = 77,257.23

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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.