Home / 183,701.34-253,507.67-103,129.02

Finding the Fourth Proportional to 183,701.34, 253,507.67 and 103,129.02

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Solution

The fourth proportional to 183,701.34, 253,507.67 and 103,129.02 is: 142,317.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,701.34 : 253,507.67 = 103,129.02 : x
  2. Step 2: Convert to fraction form
    183,701.34/253,507.67 = 103,129.02/x
  3. Step 3: Cross multiply
    183,701.34x = 253,507.67 × 103,129.02
  4. Step 4: Simplify right side
    183,701.34x = 26,143,997,569.58
  5. Step 5: Solve for x
    x = 26,143,997,569.58/183,701.34
  6. Step 6: Final answer
    x = 142,317.95

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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.