Home / 136,741.71-205,113.05-41,971.90

Finding the Fourth Proportional to 136,741.71, 205,113.05 and 41,971.90

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Solution

The fourth proportional to 136,741.71, 205,113.05 and 41,971.90 is: 62,958.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,741.71 : 205,113.05 = 41,971.90 : x
  2. Step 2: Convert to fraction form
    136,741.71/205,113.05 = 41,971.90/x
  3. Step 3: Cross multiply
    136,741.71x = 205,113.05 × 41,971.90
  4. Step 4: Simplify right side
    136,741.71x = 8,608,984,784.62
  5. Step 5: Solve for x
    x = 8,608,984,784.62/136,741.71
  6. Step 6: Final answer
    x = 62,958.00

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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.