Home / 184,138.12-254,118.18-103,569.40

Finding the Fourth Proportional to 184,138.12, 254,118.18 and 103,569.40

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Solution

The fourth proportional to 184,138.12, 254,118.18 and 103,569.40 is: 142,930.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,138.12 : 254,118.18 = 103,569.40 : x
  2. Step 2: Convert to fraction form
    184,138.12/254,118.18 = 103,569.40/x
  3. Step 3: Cross multiply
    184,138.12x = 254,118.18 × 103,569.40
  4. Step 4: Simplify right side
    184,138.12x = 26,318,867,431.69
  5. Step 5: Solve for x
    x = 26,318,867,431.69/184,138.12
  6. Step 6: Final answer
    x = 142,930.03

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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.