Home / 133,677.69-184,462.94-77,078.13

Finding the Fourth Proportional to 133,677.69, 184,462.94 and 77,078.13

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Solution

The fourth proportional to 133,677.69, 184,462.94 and 77,078.13 is: 106,360.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,677.69 : 184,462.94 = 77,078.13 : x
  2. Step 2: Convert to fraction form
    133,677.69/184,462.94 = 77,078.13/x
  3. Step 3: Cross multiply
    133,677.69x = 184,462.94 × 77,078.13
  4. Step 4: Simplify right side
    133,677.69x = 14,218,058,469.50
  5. Step 5: Solve for x
    x = 14,218,058,469.50/133,677.69
  6. Step 6: Final answer
    x = 106,360.74

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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.