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Finding the Fourth Proportional to 184,866.40, 255,147 and 104,316.76

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Solution

The fourth proportional to 184,866.40, 255,147 and 104,316.76 is: 143,974.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,866.40 : 255,147 = 104,316.76 : x
  2. Step 2: Convert to fraction form
    184,866.40/255,147 = 104,316.76/x
  3. Step 3: Cross multiply
    184,866.40x = 255,147 × 104,316.76
  4. Step 4: Simplify right side
    184,866.40x = 26,616,108,363.72
  5. Step 5: Solve for x
    x = 26,616,108,363.72/184,866.40
  6. Step 6: Final answer
    x = 143,974.83

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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.