Home / 89,174.55-133,775.66-30,005.61

Finding the Fourth Proportional to 89,174.55, 133,775.66 and 30,005.61

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Solution

The fourth proportional to 89,174.55, 133,775.66 and 30,005.61 is: 45,013.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,174.55 : 133,775.66 = 30,005.61 : x
  2. Step 2: Convert to fraction form
    89,174.55/133,775.66 = 30,005.61/x
  3. Step 3: Cross multiply
    89,174.55x = 133,775.66 × 30,005.61
  4. Step 4: Simplify right side
    89,174.55x = 4,014,019,854.81
  5. Step 5: Solve for x
    x = 4,014,019,854.81/89,174.55
  6. Step 6: Final answer
    x = 45,013.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.