Home / 183,701.10-253,505.27-103,126.55

Finding the Fourth Proportional to 183,701.10, 253,505.27 and 103,126.55

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Solution

The fourth proportional to 183,701.10, 253,505.27 and 103,126.55 is: 142,313.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,701.10 : 253,505.27 = 103,126.55 : x
  2. Step 2: Convert to fraction form
    183,701.10/253,505.27 = 103,126.55/x
  3. Step 3: Cross multiply
    183,701.10x = 253,505.27 × 103,126.55
  4. Step 4: Simplify right side
    183,701.10x = 26,143,122,118.76
  5. Step 5: Solve for x
    x = 26,143,122,118.76/183,701.10
  6. Step 6: Final answer
    x = 142,313.37

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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.