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Finding the Fourth Proportional to 184,257.72, 254,273.40 and 103,685.40

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Solution

The fourth proportional to 184,257.72, 254,273.40 and 103,685.40 is: 143,084.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,257.72 : 254,273.40 = 103,685.40 : x
  2. Step 2: Convert to fraction form
    184,257.72/254,273.40 = 103,685.40/x
  3. Step 3: Cross multiply
    184,257.72x = 254,273.40 × 103,685.40
  4. Step 4: Simplify right side
    184,257.72x = 26,364,439,188.36
  5. Step 5: Solve for x
    x = 26,364,439,188.36/184,257.72
  6. Step 6: Final answer
    x = 143,084.58

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1.5x scale

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.