Home / 145,670.45-201,028.97-82,010.52

Finding the Fourth Proportional to 145,670.45, 201,028.97 and 82,010.52

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Solution

The fourth proportional to 145,670.45, 201,028.97 and 82,010.52 is: 113,176.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,670.45 : 201,028.97 = 82,010.52 : x
  2. Step 2: Convert to fraction form
    145,670.45/201,028.97 = 82,010.52/x
  3. Step 3: Cross multiply
    145,670.45x = 201,028.97 × 82,010.52
  4. Step 4: Simplify right side
    145,670.45x = 16,486,490,569.79
  5. Step 5: Solve for x
    x = 16,486,490,569.79/145,670.45
  6. Step 6: Final answer
    x = 113,176.63

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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.