Home / 137,093.10-205,639.65-43,608.30

Finding the Fourth Proportional to 137,093.10, 205,639.65 and 43,608.30

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Solution

The fourth proportional to 137,093.10, 205,639.65 and 43,608.30 is: 65,412.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,093.10 : 205,639.65 = 43,608.30 : x
  2. Step 2: Convert to fraction form
    137,093.10/205,639.65 = 43,608.30/x
  3. Step 3: Cross multiply
    137,093.10x = 205,639.65 × 43,608.30
  4. Step 4: Simplify right side
    137,093.10x = 8,967,595,549.10
  5. Step 5: Solve for x
    x = 8,967,595,549.10/137,093.10
  6. Step 6: Final answer
    x = 65,412.45

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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.