Home / 183,715.28-253,524.93-103,140.80

Finding the Fourth Proportional to 183,715.28, 253,524.93 and 103,140.80

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Solution

The fourth proportional to 183,715.28, 253,524.93 and 103,140.80 is: 142,333.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,715.28 : 253,524.93 = 103,140.80 : x
  2. Step 2: Convert to fraction form
    183,715.28/253,524.93 = 103,140.80/x
  3. Step 3: Cross multiply
    183,715.28x = 253,524.93 × 103,140.80
  4. Step 4: Simplify right side
    183,715.28x = 26,148,764,100.14
  5. Step 5: Solve for x
    x = 26,148,764,100.14/183,715.28
  6. Step 6: Final answer
    x = 142,333.09

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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.