Home / 89,295.90-133,850.70-30,111.24

Finding the Fourth Proportional to 89,295.90, 133,850.70 and 30,111.24

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Solution

The fourth proportional to 89,295.90, 133,850.70 and 30,111.24 is: 45,135.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,295.90 : 133,850.70 = 30,111.24 : x
  2. Step 2: Convert to fraction form
    89,295.90/133,850.70 = 30,111.24/x
  3. Step 3: Cross multiply
    89,295.90x = 133,850.70 × 30,111.24
  4. Step 4: Simplify right side
    89,295.90x = 4,030,410,551.87
  5. Step 5: Solve for x
    x = 4,030,410,551.87/89,295.90
  6. Step 6: Final answer
    x = 45,135.45

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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.