Home / 90,703.37-136,055.08-26,661.53

Finding the Fourth Proportional to 90,703.37, 136,055.08 and 26,661.53

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Solution

The fourth proportional to 90,703.37, 136,055.08 and 26,661.53 is: 39,992.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,703.37 : 136,055.08 = 26,661.53 : x
  2. Step 2: Convert to fraction form
    90,703.37/136,055.08 = 26,661.53/x
  3. Step 3: Cross multiply
    90,703.37x = 136,055.08 × 26,661.53
  4. Step 4: Simplify right side
    90,703.37x = 3,627,435,916.80
  5. Step 5: Solve for x
    x = 3,627,435,916.80/90,703.37
  6. Step 6: Final answer
    x = 39,992.29

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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.