Home / 133,465.76-184,170.21-90,357.56

Finding the Fourth Proportional to 133,465.76, 184,170.21 and 90,357.56

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Solution

The fourth proportional to 133,465.76, 184,170.21 and 90,357.56 is: 124,684.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,465.76 : 184,170.21 = 90,357.56 : x
  2. Step 2: Convert to fraction form
    133,465.76/184,170.21 = 90,357.56/x
  3. Step 3: Cross multiply
    133,465.76x = 184,170.21 × 90,357.56
  4. Step 4: Simplify right side
    133,465.76x = 16,641,170,800.29
  5. Step 5: Solve for x
    x = 16,641,170,800.29/133,465.76
  6. Step 6: Final answer
    x = 124,684.94

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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.