Home / 89,295.45-133,943.18-69,588.75

Finding the Fourth Proportional to 89,295.45, 133,943.18 and 69,588.75

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Solution

The fourth proportional to 89,295.45, 133,943.18 and 69,588.75 is: 104,383.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,295.45 : 133,943.18 = 69,588.75 : x
  2. Step 2: Convert to fraction form
    89,295.45/133,943.18 = 69,588.75/x
  3. Step 3: Cross multiply
    89,295.45x = 133,943.18 × 69,588.75
  4. Step 4: Simplify right side
    89,295.45x = 9,320,938,467.23
  5. Step 5: Solve for x
    x = 9,320,938,467.23/89,295.45
  6. Step 6: Final answer
    x = 104,383.13

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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.