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Finding the Fourth Proportional to 133,683.77, 184,414.59 and 90,648.69

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Solution

The fourth proportional to 133,683.77, 184,414.59 and 90,648.69 is: 125,048.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,683.77 : 184,414.59 = 90,648.69 : x
  2. Step 2: Convert to fraction form
    133,683.77/184,414.59 = 90,648.69/x
  3. Step 3: Cross multiply
    133,683.77x = 184,414.59 × 90,648.69
  4. Step 4: Simplify right side
    133,683.77x = 16,716,941,000.39
  5. Step 5: Solve for x
    x = 16,716,941,000.39/133,683.77
  6. Step 6: Final answer
    x = 125,048.40

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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.