Home / 261,151.60-391,762.26-103,343.14

Finding the Fourth Proportional to 261,151.60, 391,762.26 and 103,343.14

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Solution

The fourth proportional to 261,151.60, 391,762.26 and 103,343.14 is: 155,028.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,151.60 : 391,762.26 = 103,343.14 : x
  2. Step 2: Convert to fraction form
    261,151.60/391,762.26 = 103,343.14/x
  3. Step 3: Cross multiply
    261,151.60x = 391,762.26 × 103,343.14
  4. Step 4: Simplify right side
    261,151.60x = 40,485,942,081.90
  5. Step 5: Solve for x
    x = 40,485,942,081.90/261,151.60
  6. Step 6: Final answer
    x = 155,028.50

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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.