Home / 89,113.36-133,879.06-84,069.50

Finding the Fourth Proportional to 89,113.36, 133,879.06 and 84,069.50

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Solution

The fourth proportional to 89,113.36, 133,879.06 and 84,069.50 is: 126,301.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,113.36 : 133,879.06 = 84,069.50 : x
  2. Step 2: Convert to fraction form
    89,113.36/133,879.06 = 84,069.50/x
  3. Step 3: Cross multiply
    89,113.36x = 133,879.06 × 84,069.50
  4. Step 4: Simplify right side
    89,113.36x = 11,255,145,634.67
  5. Step 5: Solve for x
    x = 11,255,145,634.67/89,113.36
  6. Step 6: Final answer
    x = 126,301.44

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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.