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Finding the Fourth Proportional to 184,086.71, 254,041.17 and 103,513.53

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Solution

The fourth proportional to 184,086.71, 254,041.17 and 103,513.53 is: 142,849.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,086.71 : 254,041.17 = 103,513.53 : x
  2. Step 2: Convert to fraction form
    184,086.71/254,041.17 = 103,513.53/x
  3. Step 3: Cross multiply
    184,086.71x = 254,041.17 × 103,513.53
  4. Step 4: Simplify right side
    184,086.71x = 26,296,698,272.03
  5. Step 5: Solve for x
    x = 26,296,698,272.03/184,086.71
  6. Step 6: Final answer
    x = 142,849.52

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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.