Home / 210,193.25-290,066.69-134,741.75

Finding the Fourth Proportional to 210,193.25, 290,066.69 and 134,741.75

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Solution

The fourth proportional to 210,193.25, 290,066.69 and 134,741.75 is: 185,943.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,193.25 : 290,066.69 = 134,741.75 : x
  2. Step 2: Convert to fraction form
    210,193.25/290,066.69 = 134,741.75/x
  3. Step 3: Cross multiply
    210,193.25x = 290,066.69 × 134,741.75
  4. Step 4: Simplify right side
    210,193.25x = 39,084,092,753.60
  5. Step 5: Solve for x
    x = 39,084,092,753.60/210,193.25
  6. Step 6: Final answer
    x = 185,943.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.